METHOD AND SYSTEM FOR SLEEP/WAKE CONDITION ESTIMATION
First Claim
1. Arrangement for the identification of sleep and wake conditions of a subject, comprisingat least one sensor, which is integrated in the sleeping environment of the subject, the sensor is provided to generate subject related signals, andcalculation means, providedto receive the sensor signals,to extract at least one feature from these sensor signals,to classify the extracted feature, andto provide a probability indication whether the subject is awake or asleep.
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Abstract
Insomnia is a prevalent sleep disturbance in the general population. As standard diagnostic method for assessing the nature and the severity of the sleep problem, a so-called sleep log or sleep diary, i.e. a questionnaire usually on paper, is used in most cases. The main drawback of this diagnostic tool is that its accuracy is affected by subjective bias of the patient, e.g. for patients it is often difficult to remember sleep and wake periods during the night correctly. The present invention proposes an automatic sleep log that uses vital body signs as input signals for assessing sleep and wake periods during the night. By using objective data, the diagnosis will be more accurate. Furthermore, this system can also be used to sleep restriction therapy, a non-pharmacological method to treat insomnia. Also in this application it can contribute to patients correctly applying this method and thus leading to a better medical outcome.
65 Citations
16 Claims
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1. Arrangement for the identification of sleep and wake conditions of a subject, comprising
at least one sensor, which is integrated in the sleeping environment of the subject, the sensor is provided to generate subject related signals, and calculation means, provided to receive the sensor signals, to extract at least one feature from these sensor signals, to classify the extracted feature, and to provide a probability indication whether the subject is awake or asleep.
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11. A Method for the identification of sleep and wake conditions of a subject comprising the following steps:
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placing a sensor integrated in a sleeping environment, which is provided to generate subject related signals, receiving the sensor signals, extracting at least one feature from these sensor signals, classifying the extracted feature, and providing a probability indication whether the subject is awake or asleep. - View Dependent Claims (12, 13, 14, 15)
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16. (canceled)
Specification