new facts have emerged about growth hormone ( hgh ) secretion in man giving rise to new conceptions and to new questions . * in well-nourished , lean human beings growth hormone is released in early deep sleep and the pattern of release observed from night to night is fairly constant . * the release of growth hormone in sleep occurs when plasma glucose is not fluctuating and after insulin has fallen to a very low level .
C3714500
hgh
C0169964
human