I have a bad headache and need to sleep it off.
sleep off
idiomTo get rid of (a pain, illness, condition) by sleeping.
After the long flight and the jet lag, I decided to go to the hotel and sleep it off.
Feeling the onset of a fever after the grueling journey, he retreated to his room, hoping to sleep off the exhaustion before the morning meeting.
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beauty sleep
Originally, sleep taken before midnight, on the belief that early sleep hours conduce to beauty and health; now (chiefly humorous), sleep at any time needed by one to stay beautiful; (countable) an instance of such sleep.
- 02
big sleep
Death.
- 03
cry oneself to sleep
To cry until or to fall asleep.
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eat, breathe, and sleep
To devote one's time obsessively to.
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eternal sleep
Death
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fox sleep
Feigned sleep while actually alert.
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go to sleep
To be affected by paresthesia; to go numb.
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one could do it in one's sleep
Said of something that can be done very easily or effortlessly.
Last updated April 17, 2026