A large-scale study published in the prestigious scientific journal Cell Metabolism shakes up understandings about the optimal time for physical activity. An expert team from the University of Copenhagen conducted an in-depth study with 92 volunteers who were divided into two groups with different training hours.
The scientific results reveal extremely interesting metabolic transformations during morning exercises. Participants training at 08:00 demonstrated significantly improved insulin sensitivity and a more effective metabolic response after eating. An additional impressive effect was the registered drop in cortisol stress hormone levels.
Dr. Jesper Lund, the lead researcher, explains the mechanism behind these phenomena: morning physical activity has a direct impact on the biological clock. It facilitates better synchronization of the circadian rhythm and facilitates the natural release of melatonin in the evening.
Empirical data showed that the subjects in the morning group achieve higher quality night sleep. Polysomnographic measurements and subjective surveys confirmed faster falling asleep and deeper restorative sleep.
The study does not devalue evening workouts, but definitively emphasizes their potential limitations. For individuals with metabolic challenges, sleep disorders, or insulin resistance, morning physical activity emerges as an extremely recommended strategy.
The scientific discoveries provide innovative guidelines for personalizing fitness programs, taking into account individual biological rhythms and metabolic characteristics of each individual.
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