In addition to following a consistent sleep schedule, you should also exercise regularly in order to promote HGH secretion. Pulses of HGH are released during the day and can be affected by lack of exercise and an unhealthy diet. read more
Growth hormone release during sleep peaks at the onset of deep sleep(NREM sleep) and lasts roughly 1.5-3 hours.Subsequent peaks coincide with the other periods of deep sleep in the sleep cycle.Sleep deprivation and delayed onset of sleep alter growth hormone secretion. read more
Experts estimate that as much as 75 percent of human growth hormone is released during sleep. In normal healthy people, the major period of HGH release occurs during the first period of Stage 3 sleep stage during the night, about an hour after you first fall asleep. read more
In men approximately 70% of the GH pulses during sleep coincide with SWS, and the amount of GH secreted during these pulses correlates with the concurrent amount of SWS. Sleep-related secretion of GH appears to be primarily dependent on the release of growth hormone-releasing-hormone. read more