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Get the Irvine, CA local weather forecast by the hour and the next 10 days.
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Another tool is the Multiple Sleep Latency Test (MSLT), which has been used since the 1970s. It is used to measure the time it takes from the start of a daytime nap period to the first signs of sleep, called sleep latency. Subjects undergo a series of five 20-minute sleeping opportunities with an absence of alerting factors at 2-hour intervals ...
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]
Peak daily temperature generally occurs after noon, as air keeps absorbing net heat for a period of time from morning through noon and some time thereafter. Similarly, minimum daily temperature generally occurs substantially after midnight, indeed occurring during early morning in the hour around dawn, since heat is lost all night long.
Revamp your sleep space. Create a cave-like environment to obtain optimal sleep. Sleep experts recommend a cool temperature of about 65*F, pitch darkness (blackout curtains can help), and a sound ...
Sara C. Mednick is a sleep researcher at the University of California, Irvine. Her research focuses on the relationship between napping and performance. She is the author of several papers and a mass market book, Take a Nap! Change Your Life.