Don's Home Health Sleep Contact

Sleep

See also Sleep Aids

Sleep Problems in the Elderly
Web sites include the American Sleep Disorders Association (www.asda.org),
 the National Sleep Foundation (www.sleepfoundation.org)
 and Sleep Home Pages (www.sleephomepages.org/).

A short afternoon nap (<30 min.) improves alertness in the afternoon.
Afternoon alertness was better than morning alertness after a nap and
worse if they took no nap.
Some say you can nap for up to 1 hour.
Source: Horoshima Univ Study. Tamaki, Shirota, Hayashi, Hori Students who took a 15 min. nap after lunch had fewer errors on a logical reasoning test and were more alert compared to when they did not nap. However, memory test scores were only slightly better. Source: Takahashi, M. and Arito, H., Maintenance of alertness and performance by a brief nap after lunch under prior sleep deficit, Sleep, 23:813-819, 2000. Summary at faculty.washington.edu/chudler/naps.html
Sleep Trackers
Types of sleep
UP3: The world's most advanced tracker - The Jawbone Blog Links:
Sleep Monitoring with Activity Trackers
Natural Patterns of Sleep | Healthy Sleep
What are the different stages of the sleep cycle? - Quora
Sleep Aids
Half Your Brain Stands Guard When Sleeping In A New Place : NPR

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last updated 8 Sep 2002