Cut out the light. I want to have a nap.

把灯关掉吧，我想休息一会儿。

youdao

I said, "Have a nap." Everything's informal.

我说道：“你们去睡一觉吧，一切随意。”

youdao

"Tolkien is remembered by Rose as a gentle man who loved nature, and who, when he felt tired while out walking, would just lie down and have a nap, " he said.

BBC: Did Gollum get his name from a cave in the Irish Burren?

Across many parts of South East Asia, children often have a lunchtime nap.

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My brain gets overstimulated and I have to go and have a little nap and come back to it with a fresh eye.

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