melatonin
Translation
melatonin
Examples
Melatonin helps regulate sleep cycles.
Melatonin helps regulate sleep cycles.
The body produces melatonin in darkness.
The body produces melatonin in darkness.
Grammar Patterns
melatonin used as a subject or object. Melatonin helps regulate sleep cycles.
Similar Words
Synonyms: none (specific hormone); Related concepts: sleep hormone, circadian rhythm
Etymology
From Greek 'melas' (black, dark) + 'tonos' (tone), related to serotonin. It's the hormone that sets the 'tone' for the body in the 'dark'.
Memory Tips
Remember 'mela-' means dark. Melatonin is the hormone your body makes in the dark to help you sleep.