(noun, verb)


1. a natural and periodic state of rest during which consciousness of the world is suspended

- he didn't get enough sleep last night

Similar word(s): slumber

Definition categories: state

2. a torpid state resembling deep sleep

Similar word(s): sopor

Definition categories: state

3. a period of time spent sleeping

- he felt better after a little sleep

Similar word(s): nap

Definition categories: time, period

4. euphemisms for death (based on an analogy between lying in a bed and in a tomb)

- they had to put their family pet to sleep

Similar word(s): quietus, rest

Definition categories: state, death

Sentences with sleep as a noun:

- I really need some sleep.We need to conduct an overnight sleep test to diagnose your sleep problem.

- I’m just going to have a quick sleep.

- Wipe the sleep from your eyes.


1. be asleep

Similar word(s): kip, slumber

Definition categories: body, rest

2. be able to accommodate for sleeping

- This tent sleeps six people

Definition categories: stative, accommodate, admit, hold

Sentences with sleep as a verb:

- You should sleep 8 hours a day.

- When a top is sleeping, it is spinning but not precessing.

- This caravan can sleep up to four people.

- a question sleeps for the present; the law sleeps

- After a failed connection attempt, the program sleeps for 5 seconds before trying again.