sleep through
verb
(
intransitive, adverb
)
1.
(
informal
) (of a baby) to sleep all night without waking up
Idioms and Phrases with
sleep through
sleep through
.
Sleep without waking for a period of time, usually the night, as in
At three months many babies have learned to sleep through
.
[
Mid-1900s
]
.
sleep through something
. Fail to pay attention, as in
We all slept through the explanation and then had trouble getting the machines started
.