I advise keeping the nap between 15 and 30 minutes as you want to avoid getting into deeper stages of sleep. If you do, you'll find it harder to wake and may experience the groggy feeling for a while.

我建议小睡时间保持在15—30分钟之间避免进入深度睡眠，一旦你进入深度睡眠，你会发现很难醒过来，而且醒来之后会有段时间脑袋昏昏沉沉。

youdao

I want to take a nap.

我要小睡一会儿。

youdao

But right now I really just want to find a quiet place to take a nap.

但是现在我真得找个安静的地方去小睡一会儿。

youdao

Personally, I just want to let anyone who wants to study this subject further that I am ready, able and willing to nap in a hammock.

FORBES: For the Best Naps, Use a Hammock