REN sleep

例句：

1. 1. I need to catch up on somesleep before the exam.
   我需要在考试前补觉。
2. 2. She fell asleep while watching amovie.
   她在看电影时睡着了。
3. 3. Hewent to bed early andslept soundly all night.
   他早早上床，整晚睡得都很香。