The Power Of Restorative Sleep.
Sleep deprivation is a condition that occurs if you don’t get enough sleep. Sleep deficiency is a broader concept. It occurs if you have one or more of the following:
- You don’t get enough sleep (sleep deprivation);
- You sleep at the wrong time of day (that is, you’re out of sync with your body’s natural clock);
- You don’t sleep well or get all of the different types of sleep that your body needs; or
- You have a sleep disorder that prevents you from getting enough sleep or causes poor quality sleep.
Sleep deficiency can lead to physical and mental health problems, injuries, loss of productivity, and even a greater risk of death. Sleep deficiency is a common public health problem in the United States. People in all age groups report not getting enough sleep. As part of a health survey for the Centers for Disease Control and Prevention, about 7–19 percent of adults in the United States reported not getting enough rest or sleep every day. Nearly 40 percent of adults report falling asleep during the day without meaning to at least once a month. Also, an estimated 50 to 70 million Americans have chronic (ongoing) sleep disorders. Sleep deficiency is linked to many chronic health problems, including heart disease, kidney disease, high blood pressure, diabetes, stroke, obesity, and depression. Sleep deficiency also is associated with an increased risk of injury in adults, teens, and children. For example, driver sleepiness (not related to alcohol) is responsible for serious car crash injuries and death. In the elderly, sleep deficiency might be linked to an increased risk of falls and broken bones. In addition, sleep deficiency has played a role in human errors linked to tragic accidents, such as grounding of large ships, and aviation accidents. A common myth is that people can learn to get by on little sleep with no negative effects. However, research shows that getting enough quality sleep at the right times is vital for mental health, physical health, quality of life, and safety. Credit: NIH National Heart, Lung, and Blood Institute.
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