Melatonin
☆ Watchsubstance · Score (benefits ÷ risk): Unrated (0 ratings) — needs ≥ 3 ratings
Hormone that signals darkness and supports sleep, linked with GABA calm.
Too little may be associated with
Disrupted sleep timing.
Too much may be associated with
Grogginess, vivid dreams, next-day drowsiness.
Informational only — not medical advice.
Neurotransmitters
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