sleep something ↔ off phrasal verb informal (see also sleep)
to sleep until you do not feel ill any more, especially after drinking too much alcohol:
He went to his room to sleep it off.

[TahlilGaran] Dictionary of Contemporary English ▲

sleep off
sleep (something) off
to sleep until something stops having an effect on you.
She slept off the effects of the medicine.

Usage notes: often used in the form sleep it off:
He's got a terrible headache and probably needs to sleep it off.

[TahlilGaran] English Idioms Dictionary ▲

sleep something off
sleep (something) off
to sleep until something stops having an effect on you.
She slept off the effects of the medicine.

Usage notes: often used in the form sleep it off:
He's got a terrible headache and probably needs to sleep it off.

[TahlilGaran] English Idioms Dictionary ▲

sleep off
to sleep while the effects of liquor or drugs go away
We spent the evening in a nightclub and I had to spend most of the next day sleeping it off.

[TahlilGaran] English Idioms Dictionary ▲

sleep something off
to sleep while the effects of liquor or drugs go away
We spent the evening in a nightclub and I had to spend most of the next day sleeping it off.

[TahlilGaran] English Idioms Dictionary ▲

sleep off
v. phr. To sleep until the effect of too much alcohol or drugs passes.
George had too many beers last night and he is now sleeping off the effects.

[TahlilGaran] English Idioms Dictionary ▲