For decades researchers have studied the science of sleep. Sleep problems are common in North America, so the need to understand the suspension of consciousness is huge. Today, scientists say with confidence that sleep not only provides our bodies with the restorative rest it needs, it also helps our memory.

Short naps and sleep problems
Evidence continues to indicate that power naps can boost our memory. U.S. scientists say that a short nap allows the brain to absorb new information. In one study conducted by the University of California, healthy adults were given a difficult learning assignment in the morning. Half of them were then sent for a power nap. When the tests were repeated, those who took a nap far outperformed those who did not.


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