Trevor Reznik is a machinist in a factory. An extreme case of insomnia has led to him not sleeping in a year, and his body withering away to almost nothing. He has an obsessive compulsion to write himself reminder notes and keep track of his dwindling weight, both scribbled on yellow stickies in his apartment. The only person he lets into his life in an emotional sense is Stevie, a prostitute, although he has an infatuation with Maria, a single mother waitress working in an airport diner. His...

Back when the Earth was being overrun by glaciers, and animals were scurrying to save themselves from the upcoming Ice Age, a sloth named Sid, a woolly mammoth named Manny, and a saber-toothed tiger named Diego are forced to become unlikely heroes. The three reluctantly come together when they have to return a human child to its father while braving the deadly elements of the impending Ice Age.