No one is quite sure why humans have a natural need to sleep, though there have been countless studies performed on the subject. Most doctors and scientific research experts agree that sleep is an essential part of restoring our physical and mental health.
In reality, the REM sleep stage (rapid eye movement) is actually the only stage we need to feel refreshed and energized, though everyone goes through alternating patterns throughout the night.
Understanding Sleep Habits for Seniors
As we age, the body produces lower levels of growth hormone. In turn, the body then produces less melatonin, which makes for more rapid sleep cycles and fewer deep slumber sessions. As a result, older adults wake more frequently throughout the night.