English version

lights-out

From Longman Dictionary of Contemporary Englishlights-outˈlights-out noun [uncountable] 🔊 🔊 SLEEPthe time at night when a group of people who are in a school, the army etc must put the lights out and go to sleep
Examples from the Corpus
lights-outAfter lights-out we'd all get up and play with this planchette thing.Their coach plans their days, from wake-up calls to lights-out.
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