Sleeping is a useful mechanism of regeneration of the human body, which is created under the influence of night and day rotation. Melatonin secretion is stimulated at night time. This hormone helps us sleep, acts as the strongest antioxidant in the body and boosts the immune system.

sleeping hormones

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The Most Important Hormones That Regulate Your Sleep

Melatonin lowers the level of cortisol, the hormone of stress, soothes the body and prepares it for sleeping. In summary, there is no good sleep without melatonin. The restless leg syndrome is one of the disorders associated with low levels of melatonin. Moreover, work during the night, going to sleep after midnight, trips into other hourly zones, significantly affect the melatonin levels in the blood.

Melatonin lowers the level of cortisol in the blood. Cortisol is a hormone of stress, and one of the most important hormones in our body. It regulates the values of other hormones in the body by raising or lowering them, depending on its blood level. To fall asleep, the level of cortisol must be lower.

The third hormone that is secreted only at night is growth hormone. In children, this hormone has a strong effect on body growth. While, in adults, it maintains elasticity of skin and muscle mass and has a strong influence on self-confidence. This hormone, which has leading characteristics, is created exclusively between 23 hours and 1 AM; it lowers the cortisol levels and allows regeneration of the body.

So, to avoid disturbing the hormones of sleep you should go to bed within 2 hours from when darkness occurred or around 9 PM, and wake up not later than 8 AM. Your sleeping routine needs to adjust to the season and respect the day and night cycle.

Reference:  Chemical messengers: how hormones help us sleep
A good sleep can make you look younger