What do teens do at night?

-read

-watch movies

If you are talking like late night

-watch TikTok

-text with friends who may be up

-write

-watch YouTube

-draw

-sext with friends who may be up

-masturbate(I mean this one goes for pretty much everyone even adults. What else is there to do that late and alone lol)

-watch TV shows

-watch porn(this one goes with the first answer lol)