We usually have supper at seven o 'clock.then I begin to do my homework. I want to finish it before I go to bed.

我们通常在七点钟吃晚餐，之后我就开始做家庭作业，希望在睡觉前把它做完。

youdao

I watch television at half past eight.I go to bed at nine o 'clock.

我看电视在八点半。我去睡觉在9点钟。

youdao

I always go to bed after one o 'clock recently.

最近我总是1点钟以后才睡觉。

youdao

Last August,a study in the journal Sleep Medicine said children who go to bed after nine o'clock took longer to fall asleep and slept less.

VOA: special.2010.06.09