go to bed
Estoy cansado, creo que me voy a la cama.
I'm tired; I think I'm going to bed.
I'm going to bed now.
Usualmente me voy a la cama a las nueve.
I usually go to bed at nine.
Now I'm going to bed.
I go to bed at eleven.
No hay nada que hacer, así que mejor me voy a la cama.
There's nothing to do, so I'd better go to bed.
I'd better go to bed.