Pull an all nighter

Meaning: Depriving yourself of sleep all night to do things that need to be done or you want to do. Usually used for studying.

Example 1

Matt and Ben are two friends

Matt: Are you going to John’s party tonight?

Ben: No, I’m not!

Matt: Why not?

Ben: I have a test tomorrow.

Matt: Didn’t you study for the test?

Ben: No, that’s why I have to study all night!!

Matt: Man! So you are going to pull an all nighter?

Ben: Yeah! It looks like it!

Example 2

Jessica finished her final exams at her university in the morning and is now visiting her parents in the afternoon.

Jessica: Hi mom!! It’s so good to see you.

Mom: Thanks honey! It’s so nice to see you, too. I’ve missed you.

Jessica: I’ve missed you, too. How are you?

Mom: I’m great. How about you?

Jessica: I’m so tired, mom!!

Mom: Why, honey?!

Jessica: I was awake all night

Mom: Why were you awake all night? Were you at a club? You should focus on your studies!!!

Jessica: NO Mom!!!! I was pulling an all nighter for my final exams.

Mom: Oh, I see. You are such a good student, honey!