Napping Day

ITHACA, N.Y. (AP) - A psychology professor at New York's Cornell University says it's a good day for a nap.

James Maas says the one-hour loss of sleep at the start of daylight saving time can bring a lack of focus. He says it usually takes about four or five days for the body's sleep clock to adjust.

Maas says he invented the term "power nap" -- and he says the perfect nap would last no more than 15 minutes, as long as it doesn't send you into a deep sleep, which makes you groggy when you wake up.

Another suggestion for coping with the time change is to expose yourself to light as soon as you wake up.

(Copyright 2010 by The Associated Press. All Rights Reserved.)


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