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melatonin
[ mel-uh-toh-nin ]
noun
- a hormone secreted by the pineal gland in inverse proportion to the amount of light received by the retina, important in the regulation of biorhythms: in amphibians, it causes a lightening of the skin.
melatonin
/ ˌmɛləˈtəʊnɪn /
noun
- the hormone-like secretion of the pineal gland, causing skin colour changes in some animals and thought to be involved in reproductive function
melatonin
/ mĕl′ə-tō′nĭn /
- A hormone produced in the pineal gland that plays a role in regulating biological rhythms, including sleep and reproductive cycles. In many animals, melatonin also regulates the physiological effects that occur in response to seasonal changes, such as the growth of a winter coat of fur. Chemical formula: C 13 H 16 N 2 O 2 .
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Word History and Origins
Origin of melatonin1
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Word History and Origins
Origin of melatonin1
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A Closer Look
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Example Sentences
You can even factor melatonin supplements into your regimen.
To know if the new LED could help people who want to sleep better, scientists will have to measure its effect on melatonin.
Plus, the LEDs in this and other smartphones still emit enough blue light to affect the body’s internal clock and melatonin production.
High levels of melatonin tell the body it’s time to go to sleep.
She cried, she played Wheel of Fortune on her phone, she put herself to sleep with melatonin.
He or she can work with you to map out an individualized plan, which may entail taking the hormone melatonin.
Once your serotonin levels are back up to normal, they can make enough melatonin so you can sleep better, says Dr. Rindfleisch.
This helps us regulate our cortisol and melatonin levels for a proper wake and sleep cycle.
One more thing, take it in the morning otherwise it can disrupt your sleep since vitamin D and melatonin are inversely related.
Worse, disruption of melatonin can contribute to obesity and cardiovascular disease as well.
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