Effect of diurnal intermittent fasting during Ramadan on ghrelin, leptin, melatonin, and cortisol levels among overweight and obese subjects: A prospective observational study

• Published in: PloS one Vol. 15; no. 8; p. e0237922
• Main Authors: Al-Rawi, Natheer, Madkour, Mohamed, Jahrami, Haitham, Salahat, Dana, Alhasan, Fatima, BaHammam, Ahmed, Al-Islam Faris, Mo'ez
• Format: Journal Article
• Language: English
• Published: United States Public Library of Science 26.08.2020; Public Library of Science (PLoS)
• Subjects: Adult; Anthropometry; Background levels; Baseline studies; Biology and Life Sciences; Body composition; Body weight; Circadian rhythm; Circadian Rhythm - physiology; Circadian rhythms; Cortisol; Diet; Dietary intake; Diurnal; Energy Intake; Exercise; Fasting; Fasting - blood; Feeding behavior; Female; Females; Food; Food intake; Gastrointestinal surgery; Ghrelin; Ghrelin - blood; Health aspects; Health sciences; Hemodynamics; Hormones; Humans; Hydrocortisone - blood; Leptin; Leptin - blood; Lifestyles; Lipids - blood; Male; Meals; Medical laboratories; Medicine; Medicine and Health Sciences; Melatonin; Melatonin - blood; Metabolism; Muslims; Nutrition research; Obesity; Obesity - blood; Obesity - physiopathology; Observational studies; Overweight; Overweight persons; Prospective Studies; Ramadan; Religious aspects; Serum levels; Sleep; Sleep - physiology; United Arab Emirates; Saudi Arabia; Riyadh Saudi Arabia; Bahrain

Levels of cortisol, melatonin, ghrelin, and leptin are highly correlated with circadian rhythmicity. The levels of these hormones are affected by sleep, feeding, and general behaviors, and fluctuate with light and dark cycles. During the fasting month of Ramadan, a shift to nighttime eating is expec...