Following a failed pharmaceutical experiment, the remaining participants in the trial find themselves battling extreme drowsiness as well as turning against one another in order to survive. 影评：这部影片深刻探讨了人性在极端情况下的表现，充满了紧张和悬疑。观众将随着剧情的发展感受到心理压力和生存挑战，是一部令人充满紧张感的惊悚片。