Sleep affects metabolism and weight from "summary" of Eat, Drink, and Be Healthy by Walter Willett
Getting enough sleep is crucial for maintaining a healthy metabolism and weight. When we are sleep-deprived, our bodies undergo hormonal changes that can lead to weight gain. Specifically, levels of the hormone ghrelin, which stimulates appetite, increase, while levels of the hormone leptin, which signals fullness, decrease. This imbalance can result in overeating and ultimately, weight gain.
In addition to hormonal changes, lack of sleep can also affect our metabolism. Research has shown that sleep deprivation can lead to insulin resistance, a condition in which the body is less able to respond to the hormone insulin. This can result in elevated blood sugar levels and an increased risk of developing type 2 diabetes.
Furthermore, inadequate sleep can disrupt the body's circadian rhythm, which is responsible for regulating various physiological processes, including metabolism. When our circadian rhythm is disrupted, our bodies may not be able to efficiently metabolize nutrients, leading to weight gain.
It is important to prioritize sleep as part of a healthy lifestyle. Aim for 7-9 hours of quality sleep each night to support a healthy metabolism and weight. By getting enough rest, you can help maintain hormonal balance, regulate your metabolism, and reduce your risk of weight gain and related health issues.
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