The connection between sleep quality and weight part 1

Sleep quality and weight are complicated. Inadequate sleep has been linked to obesity and weight growth in numerous studies. Key features of sleep-weight relationship:

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Hormonal Regulation: Ghrelin and Leptin: Sleep deprivation can affect the balance of two hormones, ghrelin and leptin, which regulate hunger and fullness. Ghrelin, the hunger hormone, tends to increase,

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while leptin, the hormone that signals fullness, tends to decrease with insufficient sleep. This imbalance can lead to increased appetite and overeating.

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Insulin Sensitivity: Insulin Resistance: Inadequate sleep has been linked to decreased insulin sensitivity, which can contribute to the development of insulin resistance.

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Insulin resistance may lead to elevated blood sugar levels and an increased risk of developing type 2 diabetes. Moreover, it can promote fat storage, particularly in the abdominal area.

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Cravings for High-Calorie Foods: Reward Centers in the Brain: Sleep deprivation has been associated with an increased activation of brain regions associated with reward,

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particularly in response to high-calorie and palatable foods. This can lead to cravings for unhealthy food choices.

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Energy Expenditure:Basal Metabolic Rate (BMR): Chronic sleep deprivation may reduce the basal metabolic rate, the energy expended at rest. This means that the body may burn fewer calories, potentially contributing to weight gain.

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Physical Activity:Reduced Activity Levels: Fatigue resulting from inadequate sleep can lead to decreased physical activity levels. A sedentary lifestyle is a known risk factor for weight gain and obesity.

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