Why Good Sleep Is Important
Good health starts from early sleep; It’s very important for the mind and public health. Recognize the most important benefits of early sleep.
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Early sleep is very important for human health; It helps prevent diseases, strengthen the immune system, regenerate body cells, prevent various psychiatric diseases, including depression, anxiety, and stress, and many other important benefits that we monitor for you below.
Here are 10 reasons why good sleep is important.
1. Poor sleep is linked to higher body weight
Poor sleep is strongly linked to weight gain.
People with short sleep duration tend to weigh significantly more than those who get adequate sleep (1Trusted Source, 2Trusted Source).
In fact, short sleep duration is one of the strongest risk factors for obesity.
In one extensive review study, children and adults with short sleep duration were 89% and 55% more likely to develop obesity, respectively (3Trusted Source).
The effect of sleep on weight gain is believed to be mediated by numerous factors, including hormones and motivation to exercise (4Trusted Source).
If you’re trying to lose weight, getting quality sleep is absolutely crucial.
2. Good sleepers tend to eat fewer calories
Studies show that sleep-deprived individuals have a bigger appetite and tend to eat more calories.
Sleep deprivation disrupts the daily fluctuations in appetite hormones and is believed to cause poor appetite regulation (2Trusted Source, 5Trusted Source).
This includes higher levels of ghrelin, the hormone that stimulates appetite, and reduced levels of leptin, the hormone that suppresses appetite (6Trusted Source).
3. Good sleep can improve concentration and productivity
Sleep is important for various aspects of brain function.
This includes cognition, concentration, productivity, and performance (7Trusted Source).
All of these are negatively affected by sleep deprivation.
A study on medical interns provides a good example.
Interns on a traditional schedule with extended work hours of more than 24 hours made 36% more serious medical errors than interns on a schedule that allowed more sleep (8Trusted Source).
Another study found that short sleep can negatively impact some aspects of brain function to a similar degree as alcohol intoxication (9Trusted Source).
On the other hand, good sleep has been shown to improve problem-solving skills and enhance memory performance of both children and adults (10Trusted Source, 11Trusted Source, 12Trusted Source).
4. Good sleep can maximize athletic performance
Sleep has been shown to enhance athletic performance.
In a study on basketball players, longer sleep was shown to significantly improve speed, accuracy, reaction times, and mental well-being (13Trusted Source).
Less sleep duration has also been associated with poor exercise performance and functional limitation in older women.
A study in over 2,800 women found that poor sleep was linked to slower walking, lower grip strength, and greater difficulty performing independent activities (14Trusted Source).
5. Poor sleepers have a greater risk of heart disease and stroke
Sleep quality and duration can have a major effect on many health risk factors.
These are the factors believed to drive chronic diseases, including heart disease.
A review of 15 studies found that people who don’t get enough sleep are at far greater risk of heart disease or stroke than those who sleep 7–8 hours per night (15Trusted Source).
6. Sleep affects glucose metabolism and types 2 diabetes risk
Experimental sleep restriction affects blood sugar and reduces insulin sensitivity (16Trusted Source, 17Trusted Source).
In a study in healthy young men, restricting sleep to 4 hours per night for 6 nights in a row caused symptoms of prediabetes (18Trusted Source).
These symptoms resolved after one week of increased sleep duration.
Poor sleep habits are also strongly linked to adverse effects on blood sugar in the general population.
Those sleeping less than 6 hours per night have repeatedly been shown to be at an increased risk of type 2 diabetes (19Trusted Source, 20Trusted Source).
The bottom line
Along with nutrition and exercise, taking care of your sleep is one of the pillars of health.
Lack of sleep is associated with many negative health effects, including increased risk of heart disease, depression, weight gain, inflammation, and sickness.
Though individual needs vary, most research suggests that you should get between 7 and 9 hours of sleep per night for optimal health.
Just like you prioritize your diet and physical activity, it’s time to give sleep the attention it deserves.
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