11 Surprising Benefits of Sleep

1.  Improve Memory

Your mind is surprisingly busy while you snooze. During sleep, you can strengthen memories or "practice" skills learned while you were awake (it's a process called consolidation).

"If you are trying to learn something, whether it's physical or mental, you learn it to a certain point with practice," says Dr. Rapoport, who is an associate professor at NYU Langone Medical Center.  "But something happens while you sleep that makes you learn it better."

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