Many people find that regular physical activity gives them an unexpected benefit.They sleep better and wake up feeling more__61 ,in part due to increased
amounts of deep sleep. Deep sleep may play a role in the body restoring(恢)itself__62,as opposed to REM(rapid eye movement) or dreaming sleep. Researchers have found that physical exercise, especially__63 in the afternoon orearly evening,produces more__64 early in the night.
__65can also help you get a better night's sleep in a number of indirect ways. The relaxation and tiredness __66by exercise can improve sleep.
Exercise encourages weight loss and also may __67 depression. Exercising later in the day can also help delay the __68 drop in your body's temperature. The __69  of exercise are especially important for older people, __70 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.
61.A. conscious      B. peaceful      C. effective      D. refreshed
62.A. physically     B. mentally      C. emotionally    D. regularly
63.A. made           B. done          C. functioned     D. conducted
64.A. night's sleep     B. dreaming sleep   C. deep sleep       D. REM
65.A. Exercise       B. Dreams        C. Researchers    D. Doctors
66.A. recovered      B. strengthened  C. caused         D. reduced
67.A. increase       B. relieve       C. release        D. arouse
68.A. nighttime      B. daytime       C. dinnertime     D. lifetime
69.A. disadvantages  B. benefits      C. ways           D. places
70.A. yet            B. if            C. when           D. Since

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