Strong evidencehormone
Melatonin for Poor Sleep Quality
Regulates REM/NREM architecture via MT1/MT2 receptor activation. Enhances sleep efficiency and slow-wave sleep.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
Research source
SourceLemoine P et al. · Sleep Medicine 2007How much to take
1–3 mg
Extended-release formulations may improve sleep maintenance. Higher not always better.