'Bed' in the Bible

but there is a God in the heavens, who revealeth secrets, and maketh known to king Nebuchadnezzar what shall be at the end of days. Thy dream, and the visions of thy head upon thy bed are these:

as for thee, O king, thy thoughts arose upon thy bed, what should come to pass hereafter; and he that revealeth secrets hath made known to thee what shall come to pass.

I saw a dream which made me afraid, and the thoughts upon my bed and the visions of my head troubled me.

Thus were the visions of my head upon my bed: I saw, and behold a tree in the midst of the earth, and its height was great.

I saw in the visions of my head upon my bed, and behold, a watcher and a holy one came down from the heavens;

In the first year of Belshazzar king of Babylon, Daniel saw a dream and visions of his head upon his bed: then he wrote the dream; he told the sum of the matters.