Sleep and HGH
If you’re into the bodybuilding world, you have probably heard about the use of Growth Hormone (GH, or Human Growth Hormone-HGH). Also known as the fountain of youth, growth hormone affects your overall health, longevity, looks, physique, memory, and concentration. HGH can also preserve telomere length, which increases your lifespan! But did you know how growth hormone affects sleep? We are going to go into specifics about the role sleep plays in growth hormone secretion and athletic performance.
Growth hormone is released in the pituitary gland in the brain, and the hypothalamus releases the hormone that allows growth hormone to be released, called Growth Hormone Releasing Hormone (GHRH). Each sleep cycle has 4 stages: 2 stages of non-REM sleep, 1 stage of Delta sleep (or deep sleep), and the final stage of REM sleep. Over the course of the night, you can cycle through these stages 4-6 times. People with low levels of HGRH also tend to have low levels of growth hormone, and they also tend to have bad sleep in the first half of their sleep cycle, lower quality waves during their deep sleep. When the pituitary gland is not functioning properly, but the hypothalamus is, you can get lots of deep sleep but not a lot of REM sleep, leading to more drowsiness in the day.
Bad sleep, no sleep, or sleep deprivation can cause:
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