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melatonin

/mel-uh-toh-nin/US // ˌmɛl əˈtoʊ nɪn //UK // (ˌmɛləˈtəʊnɪn) //

褪黑激素,退黑激素,褪黑激素,褪黑素

Definitions

n.名词 noun
  1. 1

    Physiology.

    • : 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.

Examples

  • 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.