你给时钟设定了你想要醒来的最晚时间,然后它会在之前的浅睡眠阶段按时叫醒你。
You program the clock with the latest time at which you want to be wakened, and it then duly wakes you during the last light sleep phase before that.
最终,这和你设定时间睡觉和起床的睡眠周期所产生的效果是一样的。
Eventually, this will become just as much of your sleep cycle as your set times for going to sleep and waking up.
每一轮的睡眠持续90分钟,所以在设定闹钟的时候时间设置应为1.5小时的倍数,这样更容易把你叫醒。
Each sleep cycle lasts 90 minutes. Set your alarm clock to go off after a multiple of an hour and a half, and it will be easier to wake up.
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