Friday, November 01, 2013

Didn't get enough sleep? Take a nap - it works

Via NYTimes Dealbook:

But a growing body of research suggests that even short naps can be a powerful and highly efficient way to temporarily compensate for an inadequate night’s sleep, specifically in the hours following the nap. The exception is among those who are already severely sleep deprived.

In one study, subjects who had slept five to six the previous night were told to take naps of five, 10, 20 and 30 minutes. The five-minute nap didn’t have much impact. But the subjects who took 10-, 20- and 30-minute naps consistently improved their performance on cognitive tests of memory and vigilance conducted in the subsequent two and a half hours.

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