NET
10 Here are the visions of my mind while I was on my bed. “While I was watching, there was a tree in the middle of the land. It was enormously tall.
Darby
10 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.
KJV
10 Thus [were] the visions of mine head in my bed; I saw, and behold a tree in the midst of the earth, and the height thereof [was] great.