Sleep scientist and author Matthew Walker suggests a lack of sleep throughout industrialized nations is having a catastrophic impact on our health and wellness, and is fast becoming one of our greatest public health challenges. More than 20 large-scale epidemiological studies, tracking millions of people over many decades, report the same clear relationship: the shorter your sleep, the shorter your life. Rather than being an optional lifestyle choice, Walker asserts sleep is a nonnegotiable, biological necessity that provides a foundation for every aspect of your mental and physical health. Sleeplessness has been shown to have a devastating effect on your health and well-being, contributing to chronic illnesses such as dementia, including Alzheimer’s disease, cancer, diabetes, heart disease and obesity. Walker suggests more vehicle crashes in the U.S. are caused by sleep-deprived drivers than those involving alcohol and drugs combined; when you drive drowsy, you put your life and the lives of countless others in jeopardy.
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