怡臻交作業ˇ

9.許多年輕人往往很晚還不睡，第二天早上就不能早起。
Many young people usually stay up , The second day can't get up early.

10.老年人通常晚上沒事做，所以很早上床。
The old man is usually nothing at night , So they can get back early.

11.這兩種不同的睡眠習慣，那一種比較有益健康呢?
That are two kinds of sleep habit , What are the bast healthy?

12.其實，只要睡飽，早睡晚睡都沒關係。
In fact,only have enough sleep , It's ok to get back early or stay up.