Most people fall asleep in seven minutes.(大多数人在七分钟内就能睡着)
I know when you fall asleep.(我知道你的入睡时刻。)
Dr. Sasaki found, as expected, the participants slept less well on their first night than they did on their second, taking more than twice as long to fall asleep and sleeping less overall.(佐佐木教授发现，正如预期的那样，志愿者们在第一个晚上的睡眠质量不如第二个晚上，他们入睡所需的时间是第二个晚上的两倍多，总体睡眠时间也更少。)
I'll fall asleep if I don't get out of this stuffy room soon.(如果我不赶快离开这闷热的房间，我会睡着的。)
I need some time to fall asleep.(我需要一些时间睡着。)
They will help you to fall asleep.(这些可以帮助你入睡。)
Lie down and relax, then you can fall asleep.(躺下来放松一下，然后你就能睡着了。)
I can't fall asleep tonight.(今夜我无法入睡。)
Go to the bed before you fall asleep.(在你入睡之前到床上去。)
Some people fall asleep easily, but then wake up time after time.(有些人很容易睡着，但是会醒很多次。)
