睡眠是人體內在的需要，它有助於放鬆，修復損傷和促進身體的新陳代謝。眾所周知，人類大約有三分之一的時間是在睡眠中度過的，而深度睡眠僅佔總睡眠時間的25％。因此，健康的睡眠習慣是提高生活品質的重要因素之一。

Sleep is an essential need of the human body. It helps to relax, repair the damage, and facilitate metabolism. About a third of human life is spent in sleep, whereas deep sleep accounts for only 25% of total sleep time. Because of this, a healthy sleep habit is one of the essential factors of a high quality of life.

如何改善睡眠
How to Improve Your Sleep

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