Sometimes described as a melatonin ‘hangover’
Melatonin side effects, sometimes referred to as a melatonin “hangover,” are usually mild. Most often, they include headaches, dizziness, nausea, and sleepiness.1 Though short-term usage appears safe, research on long-term use and side effects remains limited.
Read more here: https://www.verywellhealth.com/melatonin-side-effects-7068990
