EDUCATION

staying up late or all night, possibly on special duties, but esp. to drink, dance etc.

It’s been a hard day’s night And I’ve been working like a dog It’s been a
hard day’s night I should be sleeping like a log ... Google

A hard day’s night. It's hard to work when everyone around you is
having a good time.  Google

After hard day’s night, Santa and elves back
at PeaceCorner. Google