What happens to your body’s hormones when you skip meals?
Effects of Intermittent Fasting on the Circulating Levels and Circadian Rhythms of Hormones
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Serotonin rhythm flips during daytime-restricted feeding, peaking when you’re awake instead of at night.
Serotonin is linked to mood and sleep — its rhythm normally aligns with darkness. Flipping it during daylight contradicts how our biology evolved.
Practical Takeaways
If you're fasting, track your sleep quality and morning energy — if you're groggy or anxious, your cortisol and melatonin rhythms may be disrupted.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Serotonin rhythm flips during daytime-restricted feeding, peaking when you’re awake instead of at night.
Serotonin is linked to mood and sleep — its rhythm normally aligns with darkness. Flipping it during daylight contradicts how our biology evolved.
Practical Takeaways
If you're fasting, track your sleep quality and morning energy — if you're groggy or anxious, your cortisol and melatonin rhythms may be disrupted.
Publication
Journal
Endocrinology and Metabolism
Year
2021
Authors
Bo Hye Kim, Y. Joo, Min-Seon Kim, H. Choe, Qingchun Tong, Obin Kwon