뇌의 송과선에서 분비되어 수면 및 생체 리듬을 조절하는 호르몬.
A hormone produced by the pineal gland in the brain that regulates the sleep-wake cycle and other circadian rhythms.
예문:
"The body's natural production of melatonin peaks in the middle of the night."
"Exposure to bright light in the evening can delay the release of melatonin."
불면증이나 시차 적응 등을 치료하기 위해 건강 보조제나 약물로 사용되는 합성 호르몬.
A synthetic version of the hormone used as a dietary supplement or medication to treat insomnia and jet lag.
예문:
"She took a melatonin tablet an hour before bed to help her fall asleep faster."
"Melatonin is often used by flight crews to manage irregular sleep schedules."