# US 10,478,589 B2 · Wearable device for sleep assistance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,478,589 B2 - Document ID: US10478589B2 - Status: Granted - Kind: B2 - Application number: 15/559,448 - Filed: 2016-03-21 - Published: 2018-04-26 - Granted: 2019-11-19 - Earliest claimed: 2015-03-25 - Assignees: Koninklijke Philips N.V. - Applicants: Koninklijke Philips N.V. - Inventors: John Cronin; Christopher Huffines - Web page: https://patentgrep.com/patent/US10478589B2 ## CPC - A61M 21/02: for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia (for massage A61H; electrotherapy A61N, e.g. applying alternating or intermittent electric currents for producing anaesthesia A61N1/36021) - A61B 5/4806: {Sleep evaluation (A61B5/4821 takes precedence; devices for inducing sleep A61M21/02)} - A61B 5/6801: {specially adapted to be attached to or worn on the body surface} - G06F 1/163: {Wearable computers, e.g. on a belt} - G09B 5/02: with visual presentation of the material to be studied, e.g. using film strip - G09B 5/04: with audible presentation of the material to be studied (sound recording or reproducing G11B) - G09B 5/06: with both visual and audible presentation of the material to be studied - G09B 19/00: Teaching not covered by other main groups of this subclass (teaching or practice apparatus for gun-aiming or gun-laying F41G3/26) - A61B 5/14552: {Details of sensors specially adapted therefor} - A61B 5/4809: {Sleep detection, i.e. determining whether a subject is asleep or not} - A61B 5/4812: {Detecting sleep stages or cycles} - A61M 2021/0027: {by the hearing sense} - A61M 2021/0044: {by the sight sense} - A61M 2205/3546: Range - A61M 2205/3584: using modem, internet or Bluetooth® - A61M 2205/50: with microprocessors or computers - A61M 2205/505: Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches - A61M 2205/52: with memories providing a history of measured variating parameters of apparatus or patient - A61M 2230/50: Temperature - A61M 2230/63: Motion, e.g. physical activity - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A61B5/16; games, sports, amusements A63; projectors, projector screens G03B) ## Abstract A wearable device (105) for sleep assistance includes at least one sensor (115) to detect one or several vital signs of a user of the wearable device, a memory (155) to store a set of sleep aid techniques, and an interface to receive a selection of a sleep aid technique from the set of sleep aid techniques. Each aid sleep technique includes instructions facilitating the user to fall asleep and is associated with a doze-off time estimated for the sleep aid technique to affect the user following the instructions. The wearable device also includes a processor to update the doze-off time based on the vital signs of the user, to determine, based on the updated doze-off time, a schedule for executing at least one predetermined action, and to execute the predetermined action according to the schedule. ## Claims ### Claim 1 A wearable device for sleep assistance, comprising: at least one sensor to detect one or several vital signs of a user of the wearable device; a memory to store a set of sleep aid techniques, each sleep aid technique includes instructions facilitating the user to fall asleep and is associated with a doze-off time estimated for the sleep aid technique to affect the user following the instructions; an interface to receive a selection of a sleep aid technique from the set of sleep aid techniques and to render the instructions of the selected sleep aid technique to the user; and a processor to update the doze-off time based on the vital signs of the user, to determine, based on the updated doze-off time, a schedule for executing at least one predetermined action, and to execute the predetermined action according to the schedule. ### Claim 2 (depends on 1) The wearable device of claim 1, wherein the processor adds the updated doze-off time into a historical sleep data of the selected sleep aid technique and determines the doze-off time for a subsequent invocation of the selected sleep aid technique using the historical sleep data. ### Claim 3 (depends on 2) The wearable device of claim 2, wherein the processor determines the doze-off time by averaging multiple updated doze-off times added to the historical sleep data. ### Claim 4 (depends on 1) The wearable device of claim 1, wherein the processor selects the sensor from a set of sensors of the wearable device configured to track actions of the user following the instructions and extends the doze-off time when the user, after the selection of the sleep aid technique, is not following the instructions. ### Claim 5 (depends on 1) The wearable device of claim 1, wherein the processor updates the doze-off time based on a correlation between at least some values of the vital signs of the user with fractions of the doze-off time. ### Claim 6 (depends on 1) The wearable device of claim 1, wherein the memory stores a set of sleep aid techniques including a first sleep aid technique associated with first vital signs, first instructions and a first doze-off time and a second sleep aid technique associated with second vital signs, second instructions and a second doze-off time, wherein the first vital signs are different from the second vital signs, the first instructions are different from the second instructions, and wherein the first doze-off time is different from the second doze-off time. ### Claim 7 (depends on 1) The wearable device of claim 1, wherein the interface includes one or combination of a display device to display the instructions of the sleep aid technique and a speaker to pronounce the instructions of the sleep aid technique. ### Claim 8 (depends on 1) The wearable device of claim 1, wherein at least one predetermined action include one or combination of locking or unlocking a door, increasing or decreasing an amount of emitted light, turning an appliance OFF or ON, and increasing or decreasing a volume of an audio emission at an audio device. ### Claim 9 (depends on 1) The wearable device of claim 1, wherein the memory stores a set of tipping points defining doze-off stages of the user and stores a set of predetermined actions associated with different doze-off stages, wherein the processor determines a current doze-off stage of the user based on current values of the vital signs and executes the predetermined action associated with the current doze-off stage. ### Claim 10 A method for sleep assistance to a user of a wearable device, comprising: detecting one or several vital signs of the user of the wearable device; selecting a sleep aid technique associated with one or more instructions facilitating the user to fall asleep and a doze-off time estimated for the sleep aid technique to affect the user following the instructions; updating the doze-off time based on the vital signs of the user; determining, based on the updated doze-off time, a schedule for executing at least one predetermined action; and executing the predetermined action according to the schedule, wherein at least some steps of the method are performed by a processor of the wearable device. ### Claim 11 (depends on 10) The method of claim 10, further comprising: adding the updated doze-off time into a historical sleep data of the sleep aid technique; and determining the doze-off time for a subsequent selection of the sleep aid technique using the historical sleep data. ### Claim 12 (depends on 10) The method of claim 10, wherein the selecting comprises: acquiring a set of sleep aid techniques including a first sleep aid technique associated with first instructions and a first doze-off time and a second sleep aid technique associated with second instructions and a second doze-off time, wherein the first instructions are different from the second instructions, and wherein the first doze-off time is different from the second doze-off time; rendering the set of sleep aid techniques on a graphic user interface (GUI) of the wearable device; receiving a selection of the first sleep aid technique in response to the rendering. ### Claim 13 (depends on 10) The method of claim 10, further comprising: tracking actions of the user following the instructions of the sleep aid technique; and extending the doze-off time when the user, after the selection of the sleep aid technique, is not following the instructions. ### Claim 14 (depends on 10) The method of claim 10, wherein at least one predetermined action include one or combination of locking or unlocking a door, increasing or decreasing an amount of emitted light, turning an appliance off or on, and increasing or decreasing a volume of an audio emission at an audio device. ### Claim 15 A non-transitory computer readable storage medium including a program embodied thereon executable by a processor for performing a method, the method comprising: detecting one or several vital signs of a user of a wearable device; selecting a sleep aid technique associated with one or more instructions facilitating the user to fall asleep and a doze-off time estimated for the sleep aid technique to affect the user following the instructions; updating the doze-off time based on the vital signs of the user; determining, based on the updated doze-off time, a schedule for executing at least one predetermined action; and executing the predetermined action according to the schedule.