What Is Rem Sleep?
Rem sleep is characterized by rapid eye movements and closed eyelids. Today we report that the brain can be as active during sleep as it is when awake, and dreams are most vivid during sleep. … Read more
sleep cycle
What Is Circadian Rhythm?
One of the most important and well-known circadian rhythms in the human body is the sleep-wake cycle. A circadian rhythm is a 24-hour cycle that is part of the body’s internal clock and runs in … Read more