THE IMPORTANCE OF SLEEPING: Sleep is essential for a person’s health and wellbeing, according to the National Sleep Foundation (NSF). Yet millions of people do not get enough sleep and many suffer from lack of sleep. For example, surveys conducted by the NSF (1999-2004) reveal that at least 40 million Americans suffer from over 70 different sleep disorders and 60 percent of adults report having sleep problems a few nights a week or more. Most of those with these problems go undiagnosed and untreated. In addition, more than 40 percent of adults experience daytime sleepiness severe enough to interfere with their daily activities at least a few days each month - with 20 percent reporting problem sleepiness a few days a week or more. Furthermore, 69 percent of children experience one or more sleep problems a few nights or more during a week. Relaxing sounds, sounds of nature, music, lullabies, for babies, kids, and grown-ups, always with DARK SCREEN VIDEOS. Darkness is essential to sleep. The absence of light sends a critical signal to the body that it is time to rest. Light exposure at the wrong times alters the body's internal "sleep clock"— the biological mechanism that regulates sleep-wake cycles — in ways that interfere with both the quantity and quality of sleep. Melatonin, a hormone produced in the brain's pineal glad, is often known as the "sleep hormone" or the "darkness hormone." Melatonin influences sleep by sending a signal to the brain that it is time for rest.
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