• Sleep affects weight loss.

    Thomson et al (2017)


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    The relationship between sleep and weight loss is a complex and fascinating topic that has been the subject of numerous studies and scientific investigations. While the exact nature of the link between sleep and weight is still being explored, there is a growing body of evidence that suggests that sleep plays a crucial role in regulating hormones that control metabolism, energy levels, hunger, and more.


    The importance of sleep in our overall health and well-being, including weight management, cannot be overstated. In our fast-paced, always-on world, it's tempting to view sleep as an inconvenience, but the reality is that neglecting it can have serious consequences, including weight gain.


    Studies have shown a strong connection between the quality of sleep and weight. This relationship is still being explored, but it's believed that sleep affects our hunger hormones and metabolism, as well as our energy levels and motivation to exercise. People who sleep less than 7 hours per night are more likely to be overweight or obese, while those who report better sleep quality are more likely to succeed in their weight loss efforts.


    Sleep is crucial not only for the health of the brain, but also the entire body. The increase in sleep complaints and decrease in sleep duration in modern society raises concerns about the negative impact of chronic sleep disturbances on health. The 24-hour society, with more evening and night-time work and leisure activities, has led to a sacrifice of sleep hours, exposure to artificial light, and a disruption of circadian rhythms, resulting in later bedtimes, reduced total sleep time, and the opportunity to be active and eat during the natural night.


    Circadian desynchrony, which occurs in shift workers, has been linked to cardiometabolic alterations, increased risk of metabolic syndrome, and cardiovascular disease. Obesity could represent a "chronobiological disease" because of its connection to circadian desynchrony and metabolic disorders.


    One study by Thomson et al (2012) looked at the relationship between sleep and weight loss in overweight women participating in a weight-loss program. The researchers found that women who reported better sleep quality and slept for more than 7 hours per night were 33% more likely to successfully lose weight compared to those who reported poor sleep quality or slept for less than 7 hours. (2) This study highlights the significance of paying attention to sleep in achieving weight loss goals.


    When we sleep, our bodies are in a state of repair and rejuvenation, and our hormones regulate our metabolism, energy levels, and hunger levels. Not getting enough sleep can disrupt hormone levels and lead to overeating, cravings for junk food, and a slower metabolism.


    If you're struggling with your weight, consider the role that sleep plays. Aim for at least 7 hours of quality sleep each night and see if it makes a difference in your weight loss journey.


    In conclusion, while sleep may seem like an inconvenience, it is critical to our health and success in achieving our weight loss goals. By prioritizing sleep, you set yourself up for success in your weight loss journey.  


    (1) Thomson CA, Morrow KL, Flatt SW, Wertheim BC, Perfect MM, Ravia JJ, Sherwood NE, Karanja N, Rock CL. Relationship between sleep quality and quantity and weight loss in women participating in a weight-loss intervention trial. Obesity (Silver Spring). 2012 Jul;20(7):1419-25. doi: 10.1038/oby.2012.62. Epub 2012 Mar 8. PMID: 22402738; PMCID: PMC4861065.





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