We need to eat and sleep on time to maintain energy.

我们需要按时吃饭和睡觉才能保持体力。

youdao

Promise me, you will have meals on time, sleep on time.

答应我，你一定要按时吃饭，按时睡觉。

youdao

I wake up early, I get to all my appointments early/on time, I get my work done, I meditate, I'm eating raw, and I sleep on time.

我起得很早，我准时到或者按时达我的约会点，我做完我的工作，我思考，我吃天然的，并且我按时睡觉。

youdao

The amount of sleep was based on their reporting of a child's usual bedtime and wake time.

VOA: special.2010.06.09

Because when I was little, I used to have a hard time going to sleep on Christmas Eve, too.

WHITEHOUSE: The White House

While working that kind of schedule, the only thing I wanted to do in my free time was sleep or sit on the couch and watch TV.

FORBES: Why I'm Happier With A 30% Pay Cut

The researchers found no harm in permitting children to cry for limited periods of time while they learned to sleep on their own.

CNN: Should babies be allowed to 'cry it out'?