Why do we sleep?
The sleep-wake cycle is one of the several essential circadian rhythms that are part of the body’s internal clock, with a vital role in carrying out important functions and processes. We know that the human body requires between 7 and 9 hours of sleep so that it can repair itself and come out brand new in the morning.
We know that most people dream during their sleep, sometimes remembering their dreams in the morning, something completely forgetting them. We also know that sleep, or lack thereof, can cause quite a havoc in our bodies. What we do not know, and scientists haven’t figured out yet is why do people need their precious ZZZs so much while other living organisms don’t? The question is yet to be answered.
On the other hand, researchers know that these 7 Sleep Habits Could Reveal Disturbing Health Issues.
