Sleep is a naturally recurring state characterized by reduced or absent consciousness, relatively suspended sensory activity, and inactivity of nearly all voluntary muscles. It is distinguished from quiet wakefulness by a decreased ability to react to stimuli, and is more easily reversible than being in hibernation or a coma.
Sleep Apnea Linked to Higher Cancer Death Risk
Sleep apnea has already been linked to a host of adverse health problems, such as high blood pressure and heart disease...
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