pull a late night

[ostap77]

"You may jump to the conclusion that he can't sleep because he's thinking about you when he's really just pulling a late night."

What does "pull a late night" mean in the context?

 

[bhaisahab]

"You may jump to the conclusion that he can't sleep because he's thinking about you when he's really just pulling a late night."

What does "pull a late night" mean in the context?

Where do you get all these expressions from?

 

[ostap77]

Where do you get all these expressions from?

I've been reading "COSMOPOLITA" just to pick up some slangy stuff.