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Sleep and Hormones

Sleep and Hormones

Sleep affects many different hormones in the body, including those that regulate appetite, metabolism, and stress levels. Two hormones that are particularly important for sleep are melatonin and cortisol.

Melatonin

Melatonin is a hormone that is produced by the pineal gland in the brain in response to darkness. It helps to regulate the sleep-wake cycle by promoting sleepiness at night and wakefulness during the day. Melatonin levels naturally rise in the evening and fall in the morning, and disruptions to this cycle can lead to sleep problems.

Cortisol

Cortisol is a hormone that is produced by the adrenal glands in response to stress. It has a natural rhythm that is highest in the morning and lowest at night, and helps to regulate the sleep-wake cycle by promoting wakefulness during the day and sleepiness at night. However, chronic stress can disrupt this rhythm, leading to insomnia and other sleep problems.

In addition to melatonin and cortisol, sleep also affects other hormones that regulate appetite and metabolism. For example, sleep deprivation has been shown to increase levels of ghrelin, a hormone that stimulates hunger, and decrease levels of leptin, a hormone that signals fullness. This can lead to overeating and weight gain.

Overall, sleep plays a crucial role in regulating the body's hormones and maintaining good health. By getting enough sleep and practicing good sleep hygiene, individuals can help to ensure that their hormones are in balance and their bodies are functioning properly.

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Sleep Hygiene and Best Practices

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