'Bed' in the Bible

When I go to my bed, I say, When will it be time to get up? but the night is long, and I am turning from side to side till morning light.

When I say, In my bed I will have comfort, there I will get rest from my disease;

If I am waiting for the underworld as my house, if I have made my bed in the dark;

Pain is sent on him as a punishment, while he is on his bed; there is no end to the trouble in his bones;