Troubled by bouts of sleepwalking and disturbing nightmares, graduate student Sarah Foster goes to her university sleep research center for help. But when she wakes up after her first night of being monitored, the world she lives in seems to have changed in subtle, Twilight-Zone-esque ways. 　　译文(2): 研究生莎拉 · 福斯特(Sarah Foster)被一阵阵的梦游和令人不安的噩梦所困扰，她去她的大学睡眠研究中心寻求帮助。但是当她在被监视的第一个晚上醒来时，她所生活的世界似乎已经以微妙的、类似于“阴阳魔界”的方式发生了变化。