Getting the proper amount of sleep helps our health in many ways, including weight loss. Cortisol is a steroid hormone produced in our bodies, it plays a critical role in maintaining a healthy weight. Please read my blogs about stress and physical health and stress and insomnia to get a good overview of how stress, sleep, cortisol, and weight are all interconnected from a physiological standpoint.
To summarize, when we do not get proper sleep, our cortisol levels become unbalanced. This throws off the hypothalamic-pituitary-adrenal axis, which can play havoc on our weight (and also our blood pressure, blood sugar, digestive system, to name a few).
Getting the proper amount of sleep is one of the best ways to maintain good health, naturally.