Sleep in Animals
the non-rapid eye movement phase of sleep, during which it can be challenging to wake up.
Why Do We Sleep?
People spend nearly 1/3 of their lives sleeping. Oddly, we still are not completely sure why. Here, we’ll explore some of hypotheses for why we sleep. It’s important to keep in mind that all of these hypotheses may be partially true—there probably isn’t just one reason as to why we sleep.
Biology of Sleep
Studying Sleep
