Title: Lack of Sleep Spikes Junk Food Cravings: Study
In a groundbreaking study published in the Journal of Neuroscience, researchers from the University of Cologne in Germany have uncovered a compelling link between insufficient sleep, increased junk food cravings, and elevated obesity risk. The study, cited by EFE and Agerpres, combines human behavior with endocrinology to shed light on the relationship between sleep deprivation, appetite, and hunger hormones.
The study, conducted by Julia Rihm and Jan Peters, involved 32 young men aged between 19 and 33. Participants were divided into two groups; one group returned home with a device to track their sleep, while the other remained in the laboratory all night, engaged in various activities to prevent sleep. The following day, both groups underwent tests to measure blood sugar levels and stress and hunger hormone levels. They also participated in a game showing images of junk food, such as chocolate-based desserts and non-food items like chips, to gauge their willingness to pay on a scale of 0 to 3 euros.
The results revealed that sleep deprivation increases the subjective value of food relative to non-food items. Neural imaging showed heightened activity in the brain’s circuit involving the amygdala, linked to reward needs, and the hypothalamus, associated with hunger. The study’s authors suggest a direct link between lack of sleep, overeating, and increased obesity risk.
This study underscores the critical role of sleep in maintaining a healthy diet and overall well-being. As we continue to understand the complex interplay between sleep, hormones, and behavior, it’s clear that prioritizing rest is not just about feeling refreshed – it’s about making healthier choices throughout the day.
Source: DorohoiNews.ro, 06-01-2025
