Causes of sleep deprivation : Getting less than 7 hours of sleep on a regular basis can eventually lead to health consequences that affect your entire body. T
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Central nervous system : Your central nervous system is the main information highway of your body. Sleep is necessary to keep it functioning properly.
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Immune system : While you sleep, your immune system produces protective, infection-fighting substances like antibodies and cytokines.
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Respiratory system: A nighttime breathing disorder called obstructive sleep apnea (OSA) can interrupt your sleep and lower sleep quality.
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Digestive system : Sleep affects the levels of two hormones, leptin and ghrelin, which control feelings of hunger and fullness.
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Cardiovascular system: People who don’t sleep enough are more likely to get cardiovascular disease. One analysis linked insomnia to an increased risk of heart attack and stroke.
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Endocrine system: You need at least 3 hours of uninterrupted sleep, which is about the time of your first R.E.M. episode.
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