correlation between sleep quality and obesity
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Answer: Conventional wisdom used to be that one’s weight is determined purely by nutrition and activity level. However, we now understand body weight to be more than a simple function of behavior. Genetics, socioeconomic status, community environment, stress, and overall health all play a role in one’s weight. Additionally, how well or poorly you sleep can affect weight gain and loss, as sleep loss is one of the risk factors for obesity
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A troubling concern for individuals with obesity is that not only does sleep loss lead to weight gain, but being overweight also causes sleep issues, which can, in turn, worsen biological processes that contribute to weight gain. It is a frustrating cycle, but help is available for people who are overweight or obese to improve sleep and the health effects associated with sleep loss.
Sleep loss creates a hormone imbalance in the body that promotes overeating and weight gain. Leptin and ghrelin are hormones that regulate appetite, and when you aren’t getting sufficient sleep, the production of these hormones is altered in a way that creates increased feelings of hunger. Sleep deprivation is associated with growth hormone deficiency and elevated cortisol levels, both of which have been linked to obesity. Additionally, insufficient sleep can impair your metabolism of food.
Unfortunately, the effects of sleep loss on weight are not limited to changes at the chemical level. Restricted sleep duration has been shown to cause a greater tendency to select high-calorie foods
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Calories consumed late at night increase the risk of weight gain. Furthermore, adults who do not get sufficient sleep get less exercise
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then those who do, possibly because sleep loss causes sleepiness and fatigue during the day.