Researchers are trying to understand how the brain functions during sleep. All animals sleep and have a circadian clock. This clock tells the body when to sleep and when to wake.

Beakman acts like Rip Van Winkle to explain what happens to our bodies when we sleep and the various stages of sleep including REM. Beakman then explains why we sleep with our eyes closed along with eye mucus.

Lowly struggles to sleep, while Huckle and Lowly are camping. Huckle fixes the tent because it is very important that people have the right amount of rest everyday!

As Keda makes his way home, he and Alpha experience hunting in the winter.

Head of the colony must return home, civilians prepare themselves for the possible changes that may occur as a result.