ARRANGEMENT AND METHOD TO WAKE UP A SLEEPING SUBJECT AT AN ADVANTAGEOUS TIME INSTANT ASSOCIATED WITH NATURAL AROUSAL

摘要

Intelligent alarm clock arrangement adapted into an electric device and utilizing the microphone, loudspeaker or other alarming device, memory unit, processor and timer feature thereof. The apparatus is located near a sleeping subject so as to sample and analyze the statistical properties of sound signals produced by the movements of the sleeping subject and to classify the sleep states according to the analyzed signals into a peaceful calm deep sleep, a light sleep with arousals and awake periods associated with the movements. An alarm wakes up the subject during a pre-programmed time window, if there are arousals, awake state and movements present at that time to induce the awakening at a biologically advantageous instant. Instead of the local alarm function, the device may perform a remote alarm using a call or sending a message to a pre-programmed phone number when the awakening of the sleeping subject is detected.