Sleep

A poor graduate student signs on for a paid sleep-deprivation study to be conducted during his spring break. From his apartment and the nearly-deserted campus surrounding, he diligently attempts to fulfill the rituals of the study, but everyone he encounters begins to sense his deviation from normal life and withdraws. Alienation and paranoia set in, and as the crutches of his sanity fall away and as the sleepless days go on and on, he begins to fear what will - IMDb