To keep early hours is good for health.

早睡早起有益健康。

The members of his family all keep early hours.

他们一家人总是早睡早起。

It goes without saying that it pays to keep early hours.

例︰不用说早睡早起是值得的。

It goes without saying that it pays to keep early hours.

不用说早睡早起是值得的。.不用说早睡早起是值得的。

It goes without saying that it pays to keep early hours.

例如：不用说，早睡早起是值得的。

It goes without saying that it pays to keep early hours.

仿写：不用说早睡早起是值得的。

It goes without saying that it pays off to keep early hours.

不用说，早睡早起是值得的。

They need rest either, otherwise they cannot keep early hours, babe, it's time we were going home, good!

它们也要休息啊，不然明天早上就起不来了，宝宝，时间不早了，我们回家吧…乖。

I still do my best work in the mornings (though not usually that early), so I try to keep those hours for my writing.

我现在仍然在早上工作得最好(虽然不总是那么早)，所以我尽量把这几个小时保留作为我的写作时间。

I keep the secret of health: adequate sleep, early hours, a healthy diet.

这是我保持身体健康的秘决：充足的睡眠，早睡早起、健康饮食。