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| Many people find that regular physical activity gives them an unexpected benefit. They sleep better and wake up feeling more 1 , in part due to increased amounts of deep sleep. Deep sleep may play a role in the body restoring (恢复) itself 2 , as opposed to REM (rapid eye movement) or dreaming sleep. Researchers have found that physical exercise, especially 3 in the afternoon or early evening, produces more 4 early in the night. 5 can also help you get a better night's sleep in a number of indirect ways. The relaxation and tiredness 6 by exercise can improve sleep. Exercise encourages weight loss and also may 7 depression. Exercising later in the day can also help delay the 8 drop in your body's temperature. The 9 of exercise are especially important for older people, 10 exercise has been shown to increase the amount of sleep senior adults get in a night and reduce the time it takes to fall asleep. But be sure you finish exercising at least 4 hours before bedtime-working out later than that could leave you too excited to fall asleep easily. | ||||
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