This research investigates how Melatonin regulates sleep using zebrafish models. The work identifies the MT1 receptor as essential for melatonin-induced sleep and suggests melatonin may reduce responsiveness to visual stimuli during sleep, helping explain how the brain increases arousal thresholds and maintains nighttime sleep states.

This research shows that artificial light at night disrupts normal cardiovascular rhythms by altering sleep and feeding patterns. In mice, light exposure flattened heart rate and blood pressure cycles, increasing risk. Restricting food intake to active hours restored healthy rhythms, suggesting timing of eating can protect cardiovascular health.

This research shows that disrupting the circadian clock in gut cells increases susceptibility to obesity. Experiments in mice reveal that misaligned internal clocks impair metabolic regulation, leading to greater fat accumulation. The findings highlight that meal timing is as important as diet composition and suggest circadian clocks as therapeutic targets.