It depends you could say you have to be on the bed, or you have to be in bed. If you are referring to having to be asleep at or having a bedtime, the correct form is "have to be in bed"
bed
This is how you say get on bed in Russian: Lajis na pastel=get on bed. I hope I helped you :)
bed in french would be être.
"Go to bed"
A bed is 'un lit' (masc.) in French.
Your super hot in bed,
Yes they use on the bed: En la cama. In bed wouldn't translate well.
The word 'bed' is침대 (chimdae) in Korean.
The word for "lady" in Farsi is خانم (khanom).
Cama
Lectus.
cama