Usage patterns
ベッドに入るto get into bed / go to bed
I got sleepy, so I went to bed.
ベッドから起きるto get up out of bed
I get up out of bed at seven every morning.
ベッドを整えるto make the bed
I made the bed before going out.
ベッドに横になるto lie down on the bed
I was tired, so I lay down on the bed.