Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 3, 2018
Patent Application Number
13582747
Date Filed
March 17, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of analysis is disclosed. The method comprises receiving a non-ECG signal indicative of heart beats of a sleeping subject; extracting from the signal a series of inter-beat intervals (IBI); calculating at least one Poincare parameter characterizing a Poincare plot of the IBI series; and using the Poincare parameter(s) to determine a REM sleep of the sleeping subject. In some embodiments, sleep stages other than REM sleep and/or wake stages are determined.
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