1.
be awake
Anglais mot "nie spać"(be awake) se produit dans des ensembles:
New English File - część 1.2.
stay awake
Last nigh I really wanted to sleep but I had to stay awake and learn.
You must stay awake all the time at night
3.
stay up
I've got so much to do I'm gonna stay up all night.
I frequently stay up late on Saturday.
Anglais mot "nie spać"(stay up) se produit dans des ensembles:
Słówka angielski