It can overstretch and tighten opposing neck muscles and pinch nerves, leading to headaches, a stiff neck, tight shoulders and in some cases, pain radiating down the arms.

趴睡会拉扯到颈部肌肉，挤压神经并导致头痛、脖子僵硬、肩膀肌肉紧绷等症状，有时这种疼痛还会辐射到手臂。