Automatic estimation of light sleep level during short nap

Proceedings of the 15th International Symposium on Artificial Life and Robotics, AROB 15th'10(2010)

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Abstract
Short nap is a good relaxation way when people feel sleepy and tired during the day time. An automatic light sleep level estimation technique was presented for short nap sleep evaluation. Parameters were extracted from the polysommnographic sleep record. Sleep stages of open eyes awake, close eyes awake, and stage 1 were determined automatically based on the conditional probability. The conditional probability indicated the possibility of occurrence of sleep stages during short nap. The light sleep level was estimated based on the continuous change of conditional probability of awake. The developed technique can be usable for comfortable short nap sleep control. © 2010 ISAROB.
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Key words
Conditional probability,Light sleep level,Short nap
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