noun
- plural of melatonin; hormones produced by the pineal gland that regulate sleep-wake cycles, or synthetic supplements containing this hormone
Usage: medical; biochemistry
Examples
- The doctor explained that melatonins are naturally produced in our brains.
- Different brands of melatonins may have varying effectiveness.
- Researchers studied how artificial light affects the production of melatonins.
- The pharmacy stocks several types of melatonins as sleep aids.
- Natural melatonins decrease as we age, which can affect sleep patterns.