1. stay up late
I had to stay up late with some work.
at the weekend the kids are allowed to stay up late
Anglais mot "kłaść się późno spać"(stay up late) se produit dans des ensembles:
Dział 1 macmillan/kl 1my home, my town2. go to bed late
You musnt't go to bed late.
I usually go to bed late on Friday.