Everything you need to know about melatonin
Write the 13/04/2023 by Santarome Bio
What is melatonin?
Melatonin or “ sleep hormone ” is secreted from a small part of the brain: the pineal or epiphysis gland. This hormone regulates and controls periods of sleep but also body temperature, the stability of hormones and even the spread of blood in the body.
The pineal gland indicates to the brain the times of sleep and wake-up in particular by the interval of brightness - dark for night, light for day.
Because of its sleep-regulating properties , melatonin is often used in the form of dietary supplements to help treat sleep disorders and jet lag disorders.
How Melatonin Works
Melatonin is synthesized from the neurotransmitter serotonin, which is converted to melatonin through a series of enzymatic reactions. Melatonin production is regulated by the circadian rhythm, an internal biological clock that controls physiological processes over a period of approximately 24 hours.
When light is dim or absent, the pineal gland releases melatonin into the bloodstream. This hormone then induces changes in the body that promote sleep, such as lowering body temperature and decreasing brain activity.
Why can we have a dysregulation of melatonin secretion?
There are several reasons why melatonin secretion may be disrupted, including:
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Light: when we are exposed to strong light, such as the blue light emitted by screens, this can impact or even suppress the production of melatonin.
Stress: When we are stressed, our body produces stress hormones such as cortisol, which can interfere with the production of melatonin.
Changes in sleep patterns caused by night work or jet lag can also disrupt melatonin production.
Certain medical conditions such as restless legs syndrome, sleep apnea, depression or anxiety can cause disruption of melatonin secretion .
When to take melatonin?
Melatonin may be a treatment option if:
Sleep problems, if you have difficulty falling asleep or staying asleep during the night.
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Jet lag: When you travel to a different time zone. Taking melatonin before bed can make it easier to adjust to a new time zone and help regulate your circadian rhythm.
Shift work: If you work nights or shifts, your sleep pattern may also be disrupted.
Thus, food supplements based on melatonin can be considered to make it easier to fall asleep, reduce nighttime awakenings and enjoy restful sleep.
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