Milk is good for sleep because there is melatonin and calcium in it.

牛奶对睡眠有好处，因为牛奶中含有褪黑素和钙。

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Every year, there is a special day for people around the world to celebrate the importance of good and healthy sleep—World Sleep Day.

每年，世界各地都有一个特殊的日子来纪念良好和健康睡眠的重要性——世界睡眠日。

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You'll feel better for a good night's sleep.

你晚上睡个好觉就会觉得好些。

《牛津词典》

The National Sleep Foundation's 2013 Sleep in America poll, the task force of which was headed by Dr. Hirshkowitz, showed that exercise at any time of day, even close to bedtime, appears to be good for sleep.

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By the time you arrive back in your room, the futon mattresses have been carefully laid out for a good night's sleep.

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Poor sleeping patterns are both a symptom of bipolar disorder and can bring the illness on, so learning good sleep hygiene is especially important for young people at genetic risk for the disease.

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