by Marshall Brain | June 20, 2008
From the article:
A nap of 60 minutes improves alertness for up to 10 hours. Research on pilots shows that a 26-minute “NASA” nap in flight (while the plane is manned by a copilot) enhanced performance by 34 percent and overall alertness by 54 percent. One Harvard study published this year showed that a 45-minute nap improves learning and memory…
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