Article: `Sleep on it' may be a lesson worth heeding

`Sleep on it' may be a lesson worth heeding

6 hours or more of rest each night improves memory, study finds

By SANDRA BLAKESLEE

New York Times

Monday, May 1, 2000

Scientists have discovered a new link between sleep and memory that seriously challenges the wisdom of skimping on time spent sleeping.

Experiments show that when people learn a new skill, their performance does not improve until after they have had more than six and preferably eight hours of sleep. Without adequate sleep,

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