A healthy lifestyle includes several key things like eating right, exercising, and getting enough good sleep. Good sleep at night is just as important as other healthy habits.
Unfortunately, many people now sleep less than they used to, and sleep quality has dropped too.
Good sleep ties to lots of body changes like mental health, weight, disease prevention, and better immune system. This article will cover why good sleep matters.
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Lack of sleep is linked to weight gain:
Not getting enough sleep is strongly linked to gaining weight. People who don’t sleep enough tend to gain more weight compared to those who get enough rest.
Short sleep is one of the biggest risk factors for obesity. Studies show kids and adults who don’t sleep enough are 89% and 55% more likely to become obese, respectively.
It’s thought sleep affects weight through many factors, including hormones. So if you’re trying to lose weight, getting good sleep is very important.
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People who sleep well eat fewer calories :-
Studies show that people who don’t get enough sleep have more appetite and tend to eat more calories. Lack of sleep messes with daily hunger hormones and probably weakens appetite control.
This includes higher levels of ghrelin, the hormone that boosts appetite, and lower levels of leptin, the hormone that suppresses appetite.
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Good sleep can improve focus and productivity :-
Good sleep is key for brain functions like thinking, focus, productivity, and performance, all of which get worse when sleep is lacking.
One study found short sleep harms some brain functions similarly to alcohol intoxication. On the other hand, good sleep improves problem solving and boosts memory in kids and adults.
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Good sleep can boost athletic performance :-
Good sleep has been shown to improve sports performance. A study on basketball players found longer sleep improves speed, accuracy, reaction times, and mental health noticeably.
Lack of sleep is also linked to poor performance and functional limits in older women. It also causes slower walking and more difficulty doing activities.
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People who suffer from lack of sleep are more likely to get heart diseases and strokes.
The quality and length of sleep can greatly affect many other risk factors thought to cause chronic diseases including heart disease.
A study found that people who don't get enough sleep are much more at risk of heart disease or stroke than those who sleep 7 to 8 hours a night.
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Sleep affects glucose metabolism and the risk of type 2 diabetes.
A study on healthy young people showed that sleeping only 4 hours a night for 6 nights straight caused early signs of diabetes. These signs disappeared after one week of longer sleep.
Bad sleep habits are closely linked to harmful effects on blood sugar for everyone. It's been shown many times that people who sleep less than 6 hours a night have a higher risk of type 2 diabetes.
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Lack of sleep is linked to depression.
Mental health issues like depression are closely linked to poor sleep quality and sleep disorders. Studies show that 90% of people with depression report bad sleep quality.
People with sleep disorders like insomnia or sleep apnea report much higher depression rates than those who get enough sleep.
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Good sleep improves immune functions :-
It has been proven that lack of sleep weakens immune functions. If you often catch colds, getting 8 hours of sleep every night really helps boost your immune system.
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Lack of sleep is linked to increased inflammation:-
Sleep can have a big impact on inflammation in your body. Lack of sleep is known to trigger inflammation markers and cell damage. It's also closely linked to chronic inflammation in the digestive system.
Sometimes researchers even recommend sleep assessments to help predict outcomes in people with long-term inflammatory issues.
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Sleep affects emotions and social interactions :-
Lack of sleep lowers your ability to interact socially. Studies show that people who don't get enough sleep are worse at recognizing anger and happiness in others.
Researchers think that not sleeping enough hurts your ability to pick up important social signals and process emotional info.