don’t fall asleep
Don't fall asleep too soon.
Alexandre, no te duermas, acabas de llegar.
Alexandre, don't fall asleep, you just arrived.
— La vida de Adèle (2013)
No te duermas muy profundamente.
Don't fall into too deep a sleep.
No te duermas con la luz encendida.
Don’t fall asleep with the light on.