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The science behind sleep and weight:

Numerous physiological and behavioral factors influence the complex link between sleep and weight. The following are some significant ways that lack of sleep may contribute to weight gain:

Hormonal imbalance: 

Leptin and ghrelin, the hormones that govern hunger, are mostly regulated by sleep. Ghrelin increases appetite, but leptin tells the brain when a person is full. This equilibrium is upset by sleep deprivation, which causes ghrelin—the hunger hormone—to rise and leptin—the satiety hormone—to fall. As a result, people who don't get enough sleep may feel more hungry and less full after eating, which can lead to overeating and weight gain.

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Metabolic Alterations: 

Prolonged sleep loss can also impact how our bodies metabolize and store carbs, which can result in insulin resistance and raise the possibility of type 2 diabetes. Over time, these metabolic alterations may encourage weight gain even more.

Behavioral Factors: 

In addition to effects on hormones and metabolism, sleep loss can affect how we choose to eat and exercise. People who are fatigued frequently turn to high-calorie, low-nutrient quick energy solutions like sugary snacks and caffeinated beverages. Fatigue can also make one less motivated to exercise, which encourages a more sedentary way of living

Psychological Impact: 

Insufficient sleep might also impair our ability to manage our impulses and make decisions. This may cause more impulsive and bad eating decisions, which would add to the weight gain.

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