overnight
adjective / adverbUK /ˌəʊvəˈnaɪt/
US /ˌoʊvərˈnaɪt/
Happening or lasting for the whole night.
We took an overnight train to the mountains.
OTHER MEANINGS
2. Happening very quickly, as if in a single night.
The little shop became famous overnight.
3. For the duration of one night.
Can you stay overnight at your friend's house?
4. Done or made to last through the night.
She packed an overnight bag for the trip.