to go to bed, to lie down, to lay down, to put to bed, to sleep with
I don't want to go to bed.
Ya es hora de acostar a los niños.
It’s time to put the kids to bed.
Creo que deberíamos acostar a las niñas.
I think we should put the girls to bed.
En casa de Liuba ya se van a acostar a dormir y en la escalera hace frío.
At Liuba's house they are about to go to bed and it's cold on the stairs.
— Ирония судьбы, или С легким паром! (1976)
¿A qué hora te sueles acostar?
What time do you usually go to bed?
Tengo que acostar a los niños.
I have to put the children to bed.