bedtime

The children are still up? It's way past their bedtimes.孩子们还没睡吗？早过了该睡觉的时间了。

It's almost bedtime.差不多到睡觉的时间了。

Will you read the children a bedtime story? [=a story that is read or told to children when they go to bed]给孩子们讲个睡前故事好吗？