Early to rise makes a person healthy and wise? Not necessarily. Depending on how your body clock is wired, the opposite may be true! Every person's body is set to follow daily patterns, including one ...

In general, most adults need between seven and nine hours of sleep per night. Someone who gets this recommended amount will generally go through between four and six sleep cycles (all of the sleep ...

In jellyfish and sea anemones, neurons accumulate DNA damage while animals are awake and repair that damage during sleep.