有人 / 说 / 鬼压床 / 其实 / 是 / 睡觉 / 时 / 肌肉 / 松弛 / 造成 / 的有人说鬼压床其实是睡觉时肌肉松弛造成的。Some people say that sleep paralysis is actually caused by muscle relaxation during sleep.