A child sleeps for ten hours a night.

一个孩子一晚睡十个小时。　　

A baby sleeps for sixteen hours a day.

一个婴儿一天睡十六个小时。　　

A fox sleeps in the day and doesn’t sleep at night.

一只狐狸在白天睡觉，在夜晚不睡觉。

How many hours do you sleep a night?

你一晚睡多少个小时？