all-nighter 
noun informal
An event or activity that continues throughout the night.I personally really didn't wake up until 4pm today which I've never done unless it was after an all-nighter (all night chat, that is) ending at 9am, and even that only happened once....
- As for Dan, a third-year speech communication major, he needs coffee to stay awake through all-nighters.
- A source told Britain's Daily Sport newspaper: ‘The party was a real all-nighter.’
