Lateral displacement pier and method of installing the same

A method and special mechanical apparatus for installation of support pier for structure comprises positioning a hollow tube apparatus in a soil matrix wherein the hollow tube apparatus has a hollow core and is susceptible to lateral and longitudinal movement, removing soil from the hollow core and then filling that core with an aggregate followed by raising and lowering of the hollow tube apparatus by means of a special bottom mechanical device in a manner which compacts the aggregate and also applies lateral forces to the aggregate against the walls of the cavity in the soil matrix, pushing a portion of the aggregate into the soil matrix.

Lateral displacement pier and method of installing the same

A method and special mechanical apparatus for installation of support pier for structure comprises positioning a hollow tube apparatus in a soil matrix wherein the hollow tube apparatus has a hollow core and is susceptible to lateral and longitudinal movement, removing soil from the hollow core and then filling that core with an aggregate followed by raising and lowering of the hollow tube apparatus by means of a special bottom mechanical device in a manner which compacts the aggregate and also applies lateral forces to the aggregate against the walls of the cavity in the soil matrix, pushing a portion of the aggregate into the soil matrix.

Method and Apparatus For Building Support Piers From One or Successive Lifts Formed In A Soil Matrix

A method and apparatus for forming a support aggregate pier having compacted aggregate lifts in a soil matrix, includes an elongate, hollow tube with a bulbous leading end bottom head element that is forced or lowered into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted in predetermined increments. The same hollow tube is then lowered or pushed in predetermined increments to vertically compact the released aggregate in thin aggregate lifts, while forcing a portion of the compacted aggregate transaxially into the soil matrix at the sidewalls of the cavity. The process may be repeated to form a series of compacted aggregate lifts comprising an aggregate pier or the process may include forming only a single lift for the aggregate pier while densifying adjacent matrix soils and imparting lateral stress in these soils.

Apparatus and method for building support piers from one or successive lifts formed in a soil matrix

An apparatus and method for forming a support pier having a single or multiple compacted aggregate lifts in a soil matrix, wherein the apparatus includes a vertical, hollow tube with a bulbous leading end or head element that is forced into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted incrementally. The same hollow tube is then utilized to compact the released aggregate. The process may be repeated to form a series of compacted lifts comprising a pier.

Method for construction of piers in soil and a pier construction

Apparatus and an associated method for forming a pier in a soil matrix includes a hollow tube with a restricted expansion section connected to and adjacent a soil penetrating bottom head element which is configured to facilitate discharge of pier forming material such as grout. An expansion device in the form of an expandable bladder or expandable mechanical device is positioned along a section of the length of the restricted expansion section. The hollow tube structure is inserted into a soil matrix with the expansion device in the retracted condition. Subsequently, the expansion device is expanded to enlarge the formed cavity in the soil matrix. Then grout or other pier forming material is injected into the cavity as the expansion device is retracted or deflated and as the hollow tube structure is raised incrementally to form a pier with one or more uniquely shaped lifts.

Method and Apparatus For Building Support Piers From One or Successive Lifts Formed In A Soil Matrix

A method and apparatus for forming a support aggregate pier having compacted aggregate lifts in a soil matrix, includes an elongate, hollow tube with a bulbous leading end bottom head element that is forced or lowered into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted in predetermined increments. The same hollow tube is then lowered or pushed in predetermined increments to vertically compact the released aggregate in thin aggregate lifts, while forcing a portion of the compacted aggregate transaxially into the soil matrix at the sidewalls of the cavity. The process may be repeated to form a series of compacted aggregate lifts comprising an aggregate pier or the process may include forming only a single lift for the aggregate pier while densifying adjacent matrix soils and imparting lateral stress in these soils.

Method and apparatus for providing a rammed aggregate pier

A primary earth penetrating mandrel formed of a hollow shell steel plate octagonal in cross-section has an upper end and a blunt lower end joined by an upwardly and outwardly tapered wall. The mandrel is driven downwardly in the earth to simultaneously form a vertical tapered cavity while compacting the sidewall of the cavity to provide structural integrity. The mandrel is then moved upwardly from the bottom of the cavity and aggregate is deposited in the bottom of the cavity following which the mandrel is lowered so that its blunt lower end engages the deposited aggregate and densifies the aggregate by vertical vibratory action and static force with these steps being repeated until the pier top is near the surface of the earth at which time the upper aggregate portions are densified by either the primary mandrel or a secondary mandrel having a substantially larger lower end surface than the lower end surface of the primary mandrel. A second embodiment includes a conduit in the primary ...

APPARATUS AND METHOD FOR BUILDING SUPPORT PIERS FROM ONE OR SUCCESSIVE LIFTS FORMED IN A SOIL MATRIX

An apparatus and method for forming a support pier having a single or multiple compacted aggregate lifts in a soil matrix, wherein the apparatus includes a vertical, hollow tube with a bulbous leading end or head element that is forced into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted incrementally. The same hollow tube is then utilized to compact the released aggregate. The process may be repeated to form a series of compacted lifts comprising a pier.

Object Connector

An object connector is described to include at least one arm and at least one slot. The arm of the object connector includes a channel for gripping an object. The slot of the object connector includes at least one undulating side designed to receive another object connector. The object connector can include more than one arm or more than one slot. The object connector described herein can be used with both common household objects and specially designed objects to build desired structures or assemblies. The object connector described herein can be made of many different materials depending upon the purpose the object connector is designed for, which includes entertainment, industrial application, household use, etc.

Method of providing a rammed aggregate pier

A primary earth penetrating mandrel formed of a hollow shell steel plate octagonal in cross-section has an upper end and a blunt lower end joined by an upwardly and outwardly tapered wall. The mandrel is driven downwardly in the earth to simultaneously form a vertical tapered cavity while compacting the sidewall of the cavity to provide structural integrity. The mandrel is then moved upwardly from the bottom of the cavity and aggregate is deposited in the bottom of the cavity following which the mandrel is lowered so that its blunt lower end engages the deposited aggregate and densifies the aggregate by vertical vibratory action and static force with these steps being repeated until the pier top is near the surface of the earth at which time the upper aggregate portions are densified by either the primary mandrel or a secondary mandrel having a substantially larger lower end surface than the lower end surface of the primary mandrel. A second embodiment includes a conduit in the primary mandrel for injecting concrete or grout into aggregate previously deposited in the cavity.

Lateral displacement pier

A method and special mechanical apparatus for installation of support pier for structure comprises positioning a hollow tube apparatus in a soil matrix wherein the hollow tube apparatus has a hollow core and is susceptible to lateral and longitudinal movement, removing soil from the hollow core and then filling that core with an aggregate followed by raising and lowering of the hollow tube apparatus by means of a special bottom mechanical device in a manner which compacts the aggregate and also applies lateral forces to the aggregate against the walls of the cavity in the soil matrix, pushing a portion of the aggregate into the soil matrix.

METHODS AND SYSTEMS TO PROMOTE TARGETED INTER-PATIENT INTERACTIONS TO INCREASE PATIENT ADHERENCE

Inter-patient networks, in particular virtual environments such as an online forum, may foster a sense of community and help promote user adherence to a (positive airway pressure) therapy regimen, despite various practical limitations. Systems and methods are provided to alleviate such limitations by providing a virtual environment in which users are matched (anonymously) in pairs or groups based on usage information of their respective therapeutic devices. 1. A system to promote user adherence to one or more therapy regimen , the system comprising: an interaction module configured to provide a virtual environment to users such that the users are able to interact with each other in the virtual environment;', 'a usage module configured to obtain usage information associated with the users, wherein the usage information associated with a given user represents usage of a therapeutic device by the given user in accordance with a therapy regimen; and', 'a matching module configured to identify a match between a group of two or more users based on the usage information associated with the users in the group, to communicate the match to the users in the group to facilitate interaction in the virtual environment between users within the group, and promote user adherence to therapy regimens., 'one or more processors configured to execute computer program modules, the computer program modules comprising2. The system of claim 1 , wherein obtaining usage information comprises receiving transmission from one or both of the therapeutic device and/or a client computing platform.3. The system of claim 1 , wherein the usage information includes one or more of a therapy starting date claim 1 , an average duration of daily usage claim 1 , a usage pattern claim 1 , therapeutic device characteristics claim 1 , derived usage characteristics claim 1 , or user-stated usage characteristics.4. The system of claim 1 , wherein the virtual environment includes one or more of an online forum ...

METHOD OF PROVIDING A SUPPORT COLUMN

A primary earth penetrating mandrel formed of a hollow shell steel plate has an upper end and an open lower end joined by an upwardly and outwardly tapered wall. The mandrel is driven downwardly in the earth to simultaneously form a vertical cavity while compacting the sidewall of the cavity to provide structural integrity. The mandrel is then moved upwardly from the bottom of the cavity and aggregate is deposited in the bottom of the cavity following which the mandrel is lowered so that its lower end engages the deposited aggregate and densifies the aggregate by vertical vibratory action and static force with these steps being repeated until the pier top is near the surface of the earth. A second embodiment includes a conduit in the primary mandrel for injecting concrete or grout into aggregate previously deposited in the cavity. 1. A method of forming a stiffened pier comprising in combination the steps of:(a) forming a cavity in the soil by inserting an at least partially tapered probe to displace the soil;(b) filling the cavity, at least in part, with aggregate or aggregate with cementitious grout while lifting the probe at least partially out of the cavity and discharging the aggregate from the probe; and(c) re-introducing the probe at least once into the aggregate discharged into the cavity to compact the aggregate and to displace a portion of the aggregate laterally into the adjacent soil to densify the soil, wherein the probe is moved partially up the cavity length while concurrently discharging aggregate following which the probe is pressed downwardly into the aggregate to compact and displace the aggregate laterally into the adjacent soil and repeating the foregoing procedure at different elevations within the pier being formed until the full length of the pier has been formed.2. The method of claim 1 , wherein cementitious grout is mixed with the aggregate.3. The method of claim 1 , including re-introducing the tapered probe at least twice at ...

METHODS AND SYSTEMS TO FACILITATE USER THERAPY ADHERENCE VIA VIRTUAL ENVIRONMENT GROUP INTERACTIONS BASED ON SIMILAR THERAPEUTIC DEVICE USAGE

In certain embodiments, user therapy adherence may be facilitated via virtual environment group interactions that are based on similar therapeutic device usage. In some embodiments, a virtual world may be provided to enable users to interact with one another in the virtual world. Usage information associated with the users may be obtained from physical therapeutic devices (e.g., in an autonomous and/or periodic manner), where the usage information associated with a given user includes information indicating how a respective physical therapeutic device is used by the given user. A virtual world group for the virtual world may be generated based on the usage information associated with the users. In some embodiments, a physical therapeutics device of at least one of the group users may present an indication of the placement in the virtual world group to facilitate interaction of the group users in the virtual world. 1. A system for facilitating user therapy adherence via virtual world group interactions that are based on similar therapeutic device usage , the system comprising: provide a virtual world configured to represent users as avatars in the virtual world and to enable the users to interact with one another in the virtual world;', 'autonomously and periodically obtain, from physical therapeutic devices, usage information associated with the users, wherein the usage information associated with a given user includes information indicating how a respective physical therapeutic device is used by the given user;', 'generating a virtual world group for the virtual world based on the usage information associated with the users such that a first user and a second user of the users are placed to the virtual world group based on the usage information associated with the first user and the usage information associated with the second user having similar therapeutic device usage information; and', 'cause a physical therapeutics device of the first user or the second user ...

SYSTEM AND METHOD FOR A WAKEFUL SLEEP DETECTION ALARM

The present disclosure pertains to waking a subject from a period of wakeful sleep by modulation of a flow of breathable gas being delivered to the airway of the subject, with the modulation being performed based on a monitoring of wakefulness of the subject during sleep Typical sleep cycles comprise periods of deeper sleep and/or periods or lighter (wakeful) sleep. Waking during lighter stages of sleep may result in feeling more energetic and well-rested compared to waking from deeper sleep. Sleep therapy such as, for example, continuous positive airway pressure (CPAP), typically monitors sleep characteristics of a subject. These sleep characteristics comprise one or more of tidal volume, pressurized gas leakage (indicating movement), respiration rate, and/or other characteristics. During use of sleep therapy devices, sleep characteristics may be collected during therapy that can be used to determine whether the patient is in light sleep or deep sleep. The present disclosure contemplates utilizing a sleep therapy device in combination with the system described herein to collect sleep characteristics of a subject during sleep, and to wake the subject from wakeful sleep during an alarm window so the subject may feel as well rested and energetic as possible. 1. A wakeful sleep detection alarm device comprising: 'one or more sensors configured to generate one or more output signals conveying information related to one or more parameters of the pressurized flow of breathable gas; and', 'a pressure generator configured to generate a pressurized flow of breathable gas for delivery to the airway of a subject;'} a wakefulness module configured to determine wakefulness of the subject based on the one or more output signals;', 'an alarm module configured to determine an alarm window of time; and', 'a control module configured such that, responsive to the determined wakefulness of the subject breaching a threshold during the alarm window of time, the control module controls ...

METHODS AND SYSTEMS FOR CARDIAC MONITORING WITH MOBILE DEVICES AND ACCESSORIES

Systems, devices, and methods are provided for measuring an electrocardiogram (ECG) or other cardiac parameters with an attachable monitoring device. The attachable monitoring device may be coupled to a wearable monitoring device or wearable monitoring devices. Sensor electrodes are built into the main body of the attachable monitoring device to sense a biometric parameter of a user. 1. A method for monitoring a biometric parameter of a user , comprisingreceiving, by said user, an attachable monitoring device comprising a processor and a sensor, wherein said attachable monitoring device is configured to couple with a wearable monitoring device of said user;coupling, by said user, said attachable monitoring device with said wearable monitoring device;sensing, with said sensor, a biometric parameter of said user; andtransmitting said biometric parameter of said user to said wearable monitoring device of said user.2. The method of claim 1 , wherein said coupling step comprises both a physical and functional coupling of said attachable monitoring device with said wearable monitoring device.3. The method of claim 2 , wherein said physical coupling comprises a snap-on coupling.4. The method of claim 2 , wherein said functional coupling comprises a hardwire electronic coupling between said attachable monitoring device and said wearable monitoring device.5. The method of claim 2 , wherein said attachable monitoring device further comprises a wireless transmitter claim 2 , and said functional coupling comprises a wireless coupling between said attachable monitoring device and said wearable monitoring device.6. The method of claim 2 , wherein said attachable monitoring device comprises a watch band claim 2 , and wherein said wearable monitoring device comprises a smartwatch.7. The method of claim 1 , wherein said biometric parameter comprises an electrocardiogram.8. The method of claim 1 , wherein said processor is configured to activate said sensor.9. The method of claim 1 , ...

SYSTEM AND METHOD FOR LIMITING FLOW AND/OR PRESSURE COMPENSATION DURING LIMITED FLOW RESPIRATORY THERAPY

The present disclosure pertains to a pressure support system () configured to deliver a pressurized flow of breathable gas to the airway of a subject (). The system () is configured to treat obstructive sleep apnea, other sleep disordered breathing, and/or other respiratory issues with limited flow respiration therapy, and/or other therapies. Limited flow respiration therapy may be an alternative to CPAP, for example. The system () is configured to limit () flow rate compensation, pressure compensation, and/generator or compensation of other parameters during inspiration to values proportional to the current leak to achieve limited flow respiration therapy. In some embodiments, the system () comprises one or more of a pressure generator (), a subject interface (), one or more sensors (), a processor (), a user interface (), electronic storage (), and/or other components. 1. A pressure support system configured to deliver a pressurized flow of breathable gas to the airway of a subject , the pressure support system comprising:a pressure generator configured to generate the pressurized flow of breathable gas;one or more sensors configured to generate output signals conveying information related to one or more gas parameters of the pressurized flow of breathable gas; andone or more processors configured to execute computer program modules, the computer program modules comprising:a leak module configured to estimate a current leak value;a control module configured to control operation of the pressure generator to generate the pressurized flow of breathable gas according to a limited flow mode therapy regime that dictates a therapeutic level of a first gas parameter of the one or more gas parameters at or near the airway of the subject;a compensation module configured to determine a compensation amount to adjust the first gas parameter to compensate for respiratory effort during inhalation to maintain the therapeutic level for the first gas parameter, wherein the ...

Apparatus for building support piers from one or successive lifts formed in a soil matrix

Lateral displacement pier and method of installing the same

A method and apparatus for installation of a support pier for a structure comprises positioning a hollow tube apparatus (18) in a soil matrix (14) wherein the hollow tube apparatus (18) has a hollow core (24) and is susceptible to lateral and longitudinal movement, removing soil from the hollow core (24) and then filling that core with an aggregate (25) followed by raising and lowering of the hollow tube apparatus (18) by a bottom mechanical device (30) in a manner which compacts the aggregate (25) and also applies lateral forces to the aggregate against the walls of the cavity (14) in the soil matrix, pushing a portion of the aggregate (25) into the soil matrix.

Methods and systems for cardiac monitoring with mobile devices and accessories

Systems, devices, and methods are provided for measuring an electrocardiogram (ECG) or other cardiac parameters with an attachable monitoring device. The attachable monitoring device may be coupled to a wearable monitoring device or wearable monitoring devices. Sensor electrodes are built into the main body of the attachable monitoring device to sense a biometric parameter of a user.

Method for construction of piers in soil and a pier construction

Apparatus and an associated method for forming a pier in a soil matrix includes a hollow tube with a restricted expansion section connected to and adjacent a soil penetrating bottom head element which is configured to facilitate discharge of pier forming material such as grout. An expansion device in the form of an expandable bladder or expandable mechanical device is positioned along a section of the length of the restricted expansion section. The hollow tube structure is inserted into a soil matrix with the expansion device in the retracted condition. Subsequently, the expansion device is expanded to enlarge the formed cavity in the soil matrix. Then grout or other pier forming material is injected into the cavity as the expansion device is retracted or deflated and as the hollow tube structure is raised incrementally to form a pier with one or more uniquely shaped lifts.

Method of providing a support column

A primary earth penetrating mandrel formed of a hollow shell steel plate has an upper end and an open lower end joined by an upwardly and outwardly tapered wall. The mandrel is driven downwardly in the earth to simultaneously form a vertical cavity while compacting the sidewall of the cavity to provide structural integrity. The mandrel is then moved upwardly from the bottom of the cavity and aggregate is deposited in the bottom of the cavity following which the mandrel is lowered so that its lower end engages the deposited aggregate and densifies the aggregate by vertical vibratory action and static force with these steps being repeated until the pier top is near the surface of the earth. A second embodiment includes a conduit in the primary mandrel for injecting concrete or grout into aggregate previously deposited in the cavity.

Methods and systems to promote targeted inter-patient interactions to increase patient adherence.

Inter-patient networks, in particular virtualenvironments such as an online forum, may foster a sense of community and helppromote user adherence to a (positive airway pressure) therapyregimen, despite various practical limitations. Systems and methods are provided to alleviate such limitations by providing a virtual environment in which users are matched (anonymously) in pairs or groups based on usage information of their respective therapeutic devices.

Methods of providing a support column

A primary earth penetrating mandrel formed of a hollow shell steel plate octagonal in cross-section has an upper end and a blunt lower end joined by an upwardly and outwardly tapered wall. The mandrel is driven down in the earth to simultaneously form a vertical tapered cavity while compacting the sidewall of the cavity to provide structural integrity. The mandrel is then moved upwardly from the bottom of the cavity and aggregate is deposited in the bottom of the cavity then the mandrel is lowered so that its blunt lower end densifies the aggregate by vertical vibratory action and static force and repeating these until the pier top is near the surface of the earth at which time the upper aggregate portions are densified by the primary mandrel or a secondary mandrel having a substantially larger lower end surface than the lower end surface of the primary mandrel.

Method and apparatus for building support piers from one or more successive lifts formed in a soil matrix

A method and apparatus for forming a support aggregate pier having compacted aggregate lifts in a soil matrix, includes an elongate, hollow tube with a bulbous leading end bottom head element that is forced or lowered into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted in predetermined increments. The same hollow tube is then lowered or pushed in predetermined increments to vertically compact the released aggregate in thin aggregate lifts, while forcing a portion of the compacted aggregate transaxially into the soil matrix at the sidewalls of the cavity. The process may be repeated to form a series of compacted aggregate lifts comprising an aggregate pier or the process may include forming only a single lift for the aggregate pier while densifying adjacent matrix soils and imparting lateral stress in these soils.

Soil reinforcement method and apparatus

A method and apparatus for improving the stiffness of soil (10) by forming an opening (12) in the ground, inserting an expandable member (14, 60-66), and distending the expandable member (14, 60-66).

Lateral displacement pier and method of installing the same

Method and apparatus for building support pillars of one or more successive supporters formed in a matrix of soil

Un método para formar un pilar de agregado en una matriz de suelo que comprende los pasos de: (a) formar una cavidad alargada que tiene un fondo y un eje longitudinal en la matriz de suelo por medio del descenso de un tubo hueco con un elemento de cabeza de fondo bulboso que tiene un extremo abierto en el terminal extremo del mismo que incluye un mecanismo de cierre para cerrar el terminal abierto extremo, configurado dicho elemento de cabeza de fondo bulboso con una porción de área transversal más grande del tubo hueco adyacente conectado y configurado para proveer vectores de fuerzas axiales y transaxiales sobre la matriz de suelo, cerrado dicho mecanismo de cierre durante la formación de la cavidad alargada para prevenir la descarga del material agregado desde el elemento de cabeza de fondo y para prevenir la obstrucción del elemento de cabeza de fondo o tubo hueco con los materiales de la matriz de suelo durante la penetración y formación de la cavidad alargada; (b) elevar el tubo hueco una primera distancia en incremento predeterminada en la cavidad formada; (c) abrir el mecanismo de cierre cuando el tubo hueco es elevado; (d) alimentar el material agregado de formación de pilares a través de un terminal abierto extremo del elemento especial de cabeza de fondo en la porción de cavidad revelada por la elevación del tubo hueco dicha distancia en incremento; y (e) descender el tubo hueco una segunda distancia en incremento predeterminada para compactar el material agregado descargado en la cavidad por medio del impacto de las fuerzas axiales y transaxiales del elemento de cabeza de fondo bulboso sobre la superficie del material agregado descargado mientras desplaza una porción del pilar de agregado en formación transaxialmente en las paredes laterales de la cavidad llenada. A method for forming an aggregate pillar in a soil matrix comprising the steps of: (a) forming an elongated cavity having a bottom and a longitudinal axis in the soil matrix by means of the ...

Method and apparatus for building support piers from one or more successive lifts formed in a soil matrix

System for limiting flow compensation during limited flow respiratory therapy

Method for construction of piers in soil and a pier construction

Apparatus and an associated method for forming a pier in a soil matrix (28) includes a hollow tube (38) with a restricted expansion section (20) connect ed to and adjacent a soil penetrating bottom head element (22) which is configured to facilitate discharge of pier forming material such as grout. A n expansion device (26) in the form of an expandable bladder or expandable mechanical device is positioned along a section of the length of the restricted expansion section (20). The hollow tube structure is inserted int o a soil matrix with the expansion device in the retracted condition. Subsequently, the expansion device is expanded to enlarge the formed cavity in the soil matrix. Then grout or other pier forming material is injected into the cavity as the expansion device is retracted or deflated and as the hollo w tube structure is raised incrementally to form a pier with one or more uniquely shaped lifts.

SHORT PILLARS FROM AGGLOMERATE AND METHOD AND DEVICE FOR PRODUCING THE SAME

Lateral displacement pier and method of installing the same

A method and apparatus for installation of a support pier for a structure comprises positioning a hollow tube apparatus (18) in a soil matrix (14) wherein the hollow tube apparatus (18) has a hollow core (24) and is susceptible to lateral and longitudinal movement, removing soil from the hollow core (24) and then filling that core with an aggregate (25) followed by raising and lowering of the hollow tube apparatus (18) by a bottom mechanical device (30) in a manner which compacts the aggregate (25) and also applies lateral forces to the aggregate against the walls of the cavity (14) in the soil matrix, pushing a portion of the aggregate (25) into the soil matrix.

Apparatus and method for building support piers from one or successive lifts formed in a soil matrix

Verfahren und vorrichtung zur bodenverstärkung

Shiftable screen

Shiftable screen

Release valve

Kurze pfeiler aus agglomerat und verfahren und vorrichtung zur herstellung derselben

System and method for a wakeful sleep detection alarm

The present disclosure pertains to waking a subject from a period of wakeful sleep by modulation of a flow of breathable gas being delivered to the airway of the subject, with the modulation being performed based on a monitoring of wakefulness of the subject during sleep Typical sleep cycles comprise periods of deeper sleep and/or periods or lighter (wakeful) sleep. Waking during lighter stages of sleep may result in feeling more energetic and well-rested compared to waking from deeper sleep. Sleep therapy such as, for example, continuous positive airway pressure (CPAP), typically monitors sleep characteristics of a subject. These sleep characteristics comprise one or more of tidal volume, pressurized gas leakage (indicating movement), respiration rate, and/or other characteristics. During use of sleep therapy devices, sleep characteristics may be collected during therapy that can be used to determine whether the patient is in light sleep or deep sleep. The present disclosure contemplates utilizing a sleep therapy device in combination with the system described herein to collect sleep characteristics of a subject during sleep, and to wake the subject from wakeful sleep during an alarm window so the subject may feel as well rested and energetic as possible.