填空题
- A. fall asleep again
- B. become more energetic the following day
- C. sleep less than 7 hours
- D. confirm those serious consequences
- E. suffer sleep problems
- F. sleep more than 8 hours
填空题
To get a good night's rest, people may not need to 1.
填空题
Long sleepers are reposed to be more likely to 1.
填空题
One of the sleep problems is waking in the middle of the night, unable to 1.
填空题
One survey showed that people who habitually 1 each night have a higher risk of dying.