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> Sleep DisordersIs insomnia what you have?
a reduction in the usual time you spend sleeping or, in rare cases, complete wakefulness. Insomnia is a symptom rather than an illness in itself: in the majority of cases, sleeplessness has an underlying cause. When no underlying cause can be found, a person is said to be suffering from primary insomnia.
InsomniaDefinition:
Interesting facts about sleepFor seven or eight hours per day, we go into a profoundly different state – a system – shutdown, if you will. But how much do you really know about sleep, about why we need it and what happens while we have our nightly shuteye?
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