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    melatonin

    US //mel.əˈtoʊ.nɪn//

    ・

    UK //mel.əˈtəʊ.nɪn//

    B1
    n. (u.)Uncountable NounHormone secreted by the pineal gland
    Both pineal and lateral eyes are needed to sustain daily circulating melatonin rhythms in sea bass.
    n. (u.)Uncountable NounA synthetic form of the hormone melatonin, often taken as a dietary supplement to promote sleep.
    Many people take melatonin supplements to combat jet lag.

    Video subtitles

    How screens actually affect your sleep

    06:39How screens actually affect your sleep
    • This is because your body produces melatonin, a hormone that plays a huge role in sleep.

      This is because your body produces melatonin, a hormone that plays a huge role in sleep.

    • Melatonin is not just any other hormone, so it's kind of an internal timekeeper.

      Melatonin is not just any other hormone, so it's kind of an internal timekeeper.

    B1

    9 Habits That Damage Your Brain

    05:449 Habits That Damage Your Brain
    • Sunlight helps keep your brain working well, without it, your brain doesn't know when or how to release the sweet, sweet melatonin.

      Sunlight helps keep your brain working well, without it, your brain doesn't know when or how to release the sweet, sweet melatonin.

    • Your brain doesn't know when or how to release the sweet, sweet melatonin.

      Your brain doesn't know when or how to release the sweet, sweet melatonin.

    B1

    How to Get a Good Night’s Sleep Without Sleeping Pills

    06:08How to Get a Good Night’s Sleep Without Sleeping Pills
    • And I've already talked about melatonin-rich foods and supplements in previous videos.

      And I've already talked about melatonin-rich foods and supplements in previous videos.

    • And I've already talked about melatonin-rich foods and supplements in previous videos.

      And I've already talked about melatonin-rich foods and supplements in previous videos.

    B2

    「質の良い睡眠」って何?5段階のレベルで説明 | 5 Levels | WIRED Japan

    23:40「質の良い睡眠」って何?5段階のレベルで説明 | 5 Levels | WIRED Japan
    • I mean, I know sleep is kind of regulated by the thalamus and the suprachiasmatic nucleus sending signals to the pineal gland, which kind of secretes melatonin, which tells us, like, when it's time to go to sleep.

      I mean, I know sleep is kind of regulated by the thalamus and the suprachiasmatic nucleus sending signals to the pineal gland, which kind of secretes melatonin, which tells us, like, when it's time to go to sleep.

    • It drives the release of melatonin from the pineal gland, and melatonin comes online under darkness.

      It drives the release of melatonin from the pineal gland, and melatonin comes online under darkness.

    A2

    5 Subtle Signs of Depression

    04:115 Subtle Signs of Depression
    • If you believe that your fatigue is related to  lack of sleep, you may want to try to establish a bedtime routine, as it can help you unwind and signal your brain to produce more melatonin, the sleep hormone.

      If you believe that your fatigue is related to  lack of sleep, you may want to try to establish a bedtime routine, as it can help you unwind and signal your brain to produce more melatonin, the sleep hormone.

    • If you believe that your fatigue is related to lack of sleep, you may want to try to establish a bedtime routine, as it can help you unwind and signal your brain to produce more melatonin, the sleep hormone.

      If you believe that your fatigue is related to lack of sleep, you may want to try to establish a bedtime routine, as it can help you unwind and signal your brain to produce more melatonin, the sleep hormone.

    B2

    Why Does My Brain Sleep?

    16:34Why Does My Brain Sleep?
    • So melatonin and sleep.

      So melatonin and sleep.

    • So melatonin and sleep.

      So melatonin and sleep.

    B1

    What A Single Hug Does To Your Brain

    06:21What A Single Hug Does To Your Brain
    • Think of it as a natural melatonin shot, no supplements required.

      Think of it as a natural melatonin shot, no supplements required.

    • Think of it as a natural melatonin shot—no supplements required.

      Think of it as a natural melatonin shot—no supplements required.

    B1

    10 HABITS FOR (ALMOST) LIMITLESS ENERGY

    49:5610 HABITS FOR (ALMOST) LIMITLESS ENERGY
    • Now, before I finish the sleep section, I wanna say this, stop using melatonin supplements.

      Now, before I finish the sleep section, I wanna say this, stop using melatonin supplements.

    • In the 1960s, melatonin was known as the anti-gonad hormone.

      In the 1960s, melatonin was known as the anti-gonad hormone.

    B1

    What Your Sleep Habits Reveal About You?

    09:16What Your Sleep Habits Reveal About You?
    • Phones and laptops glow with blue light, which can delay melatonin and confuse your body clock.

      Phones and laptops glow with blue light, which can delay melatonin and confuse your body clock.

    • Phones and laptops glow with blue light, which can delay melatonin and confuse your body clock.

      Phones and laptops glow with blue light, which can delay melatonin and confuse your body clock.

    B1

    This Is What Happens When You Eat Too Much Protein (Science Explained)

    19:31This Is What Happens When You Eat Too Much Protein (Science Explained)
    • High-protein, low-carb diets can also reduce tryptophan absorption, the amino acid your brain uses to make serotonin and melatonin.

      High-protein, low-carb diets can also reduce tryptophan absorption, the amino acid your brain uses to make serotonin and melatonin.

    • High protein, low carb diets can also reduce tryptophan absorption, the amino acid your brain uses to make serotonin and melatonin.

      High protein, low carb diets can also reduce tryptophan absorption, the amino acid your brain uses to make serotonin and melatonin.

    B2