Both the brain stem and the hypothalamus have sleep-promoting cells which produce a chemical called GABA in response to decreasing light and approaching darkness to help us fall asleep. GABA inhibits our level of arousal.
Both the brain stem and the hypothalamus have sleep-promoting cells which produce a chemical called GABA in response to decreasing light and approaching darkness to help us fall asleep. GABA inhibits our level of arousal.
Body Brain Health 