to fall asleep短语²¹⁶⁰³ 基本例句 入睡,长眠,死,懈怠,玩忽职守,静止不动 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。 yeeyan