Sleep English is sleep. As a verb, it can also mean to fall asleep, what to sleep and what to wait for. As a noun, it means sleep, sleep, sleep time, sleep and so on.

Relevant examples are: How long can a person live without sleep? It took him a long time to fall asleep that night. It took him a long time to fall asleep that night. You will feel better after a good sleep, and you will feel better after a good sleep.