Melatonin

Definition

Melatonin is a hormone that helps regulate your sleep-wake cycle. It is commonly used as a supplement to help people fall asleep more easily.

Scientific / Technical Definition

Melatonin is a hormone produced by the pineal gland in the brain, primarily responsible for regulating circadian rhythms and sleep-wake cycles. Its production is influenced by light exposure, with levels typically rising in the evening and falling in the morning.

Benefits

• Improves sleep quality and helps regulate sleep patterns.
• May alleviate symptoms of jet lag by adjusting the internal body clock.
• Has antioxidant properties that may protect cells from damage.

Examples

• Melatonin supplements in pill or gummy form.
• Natural sources such as cherries, grapes, tomatoes, and olives contain small amounts of melatonin.

Additional Information

• Side effects: Potential side effects include dizziness, daytime drowsiness, and headache. It is important to follow recommended dosages.

Related Terms

• Circadian Rhythm
• Sleep Cycle
• Insomnia
• Jet Lag

References

• Melatonin: Synthesis, release, and receptors
• Melatonin and Circadian Rhythms