YOU SAID:

I like to go to sleep when it is warm in my bed but cold in my room

INTO JAPANESE

ベッドでは暖かいが部屋では寒いときに寝るのが好き

BACK INTO ENGLISH

I like to sleep when the bed is warm but the room is cold

INTO JAPANESE

ベッドは暖かいが、部屋は寒いときに寝るのが好き

BACK INTO ENGLISH

I like to sleep when the bed is warm but the room is cold