Many of these can not only help you fall asleep and stay asleep, but they may also promote muscle relaxation.
其中很多不仅能够帮助你进入和保持睡眠，而且它们还能促进肌肉的放松。
Most people are not aware that caffeine has a half life of up to eight hours and can affect not only your ability to fall asleep, but also the quality of sleep you are getting.
大多数人都不知道，咖啡因有一个长达八小时的半衰期，不仅会影响你的入睡能力，而且还会影响你的睡眠质量。
You can resign as the general manager of the universe and it's not going to fall apart.
即使你辞去宇宙总经理的职位，宇宙也不会因此而瓦解。
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