sleep-out

基本解释

You can't sleep out-anything might happen to you.
你不能离家外宿---任何事情都可能发生在你身上。
What am I missing? Are there some more great sleep-inducing strategies out there?
我有漏说的吗？还哪些更好的促进睡眠法吗？
bbs.chinadaily.com.cn
Out of this world views: Guests would sleep on pull-out beds and enjoy a window on the world
游客睡觉时可以把床铺拉出，坐在窗口可以观赏地球的风景

And it turns out, that both in humans and in animals - this has been actually very well documented - sleep-deprived animals and sleep-hungry people, turn out to be hungry for more than sleep.
NPR: 10 More Possible Triggers to Obesity
What followed lights-out at the Sleep Disorders Center was, predictably enough, not sleep. (Imagine for a moment going to bed in a fuse box.) Every time I moved, I got tangled in a wire.
NEWYORKER: Up All Night
It won a wide following for offering practical and moral help to people who were coming off the land and out of the armed forces and trying to find work, food and a place to sleep in Japan's bombed-out cities.
ECONOMIST: Japan

(esp of a tramp) to sleep in the open air
an area of a veranda that has been glassed in or partitioned off so that it may be used as a bedroom