A lack of sleep could make you hungry and cosume more food
Taheri et, al,. (2004) reported a lack of sleep has shown to affect food intake and metabolism and may be an important regulator of body mass index (BMI). This study conducted at Stamford University investigated these effects in 1,024 volunteers and found some interesting findings. When the data was compiled, a U-shape curve was found between sleep duration and BMI. Interestingly, short sleep duration was also associated with low leptin levels (a satiety hormone) and and high ghrelin levels (a hunger hormone).
Conclusion; these findings may be related to obesity levels and ensuring a good nights sleep may decrease your appetite.
Taheri, S., Lin, L., Austin, D., Young, T., & Mignot, E. (2004). Short Sleep Duration Is Associated with Reduced Leptin, Elevated Ghrelin, and Increased Body Mass Index. PLoS Med, 1(3), e62. http://doi.org/10.1371/journal.pmed.0010062
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