Melatonin

/mˈɛlɐtˌɒnɪn/

/ˌmɛɫəˈtoʊnɪn/

[noun]

Melatonin

[NOUN]

a hormone produced by the pineal gland that regulates sleep-wake cycles and promotes restful sleep

What is "melatonin"?

Melatonin is a hormone produced by the pineal gland that helps regulate the sleep-wake cycle and promote restful sleep. It plays a crucial role in maintaining the body's internal clock and is involved in the regulation of various biological rhythms, such as the sleep-wake cycle and seasonal changes. Melatonin levels rise in the evening, signaling the body to prepare for sleep, and decline in the morning, promoting wakefulness and alertness.

Examples

1. Light can suppress melatonin.

2. It blocks melatonin.

3. For instance, tomatoes, milk and oats all have melatonin in them.

4. People are taking melatonin supplements.