Read the following context and answer the question.
Context: Biting his lip , Gojyo crossed the space between their beds and hovered uncertainly next to Sanzo 's bed before very carefully placing a knee on the side of the bed to lean over his quaking form . Did n't Hakkai say something about ... nightmares ? he asked himself feverishly , trying to assess the best way to fix the situation . Did he wake him up or just leave him alone ?
Question: What is startling Gojyo in relation to Sanzo ?
Answer:


Gojyo is unnerved by Sanzo 's behavior in bed .