Until you sleep, I'll softly sing.

直到你入睡，我都会为你轻声唱。

youdao

It's just going to bounce until you sleep and move it into another folder.

直到你睡一觉，把它转移到另一个文件夹，它才能恢复活力。

youdao

Once the habit is established, then you can vary your wake-up times or occasionally go without the alarm if you want to sleep in, but until then it's best to keep the pattern very tight.

一旦你养成了这个习惯，你可以改变起床的时间或是在没有设定闹钟的情况下去睡觉，不过在那之前你要严格保持这种模式。

youdao

But generally, he can hop all across the globe at any time, because he doesn't get to your house until you're asleep, and kids go to sleep at different times.

WHITEHOUSE: The White House

At the end of the night, you tell it you're going to sleep by pressing and holding the lone button until the Up vibrates and the tiny moon-shaped light glows.

ENGADGET: Jawbone Up review (2012): a reboot and a shot at redemption

When you are ready to go to sleep, go over what you did that day from the time you got up until you get into bed.

FORBES: Mental Exercises to Help Improve Your Memory