Most people require between 7 and 8 hours each night. If needed, set a bedtime reminder alarm on your alarm clock.
大多数人每晚需要7-8小时睡眠，如果需要的话，在你的闹钟上设置一个睡前提醒闹铃。
The hands on the clock were frozen, a reminder of time slipping away, stopped at the precise moment when my grandfather had ceased winding it.
那钟上的钟摆，使我想起匆匆流走的时光，钟的指针精确地停留在祖父停止给它上发条的时间。
Most people require between 7 and 8 hours each night. If needed, set a bedtime reminder alarm on your alarm clock. Always keep the temperature in your bedroom comfortably cool.
大多数人每晚需要7 - 8小时睡眠，如果必要用闹钟设定你的就寝时间，始终保持你的卧室凉爽舒适。
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