Cavanaugh notes that production of melatonin, a sleep-inducing hormone, peaks at 7 a.m., based on adolescent sleep research.
JSOnline.com NewsWatch, Milwaukee Journal Sentinel
Thu, 03/05/2015 - 8:56am
Cavanaugh notes that production of melatonin, a sleep-inducing hormone, peaks at 7 a.m., based on adolescent sleep research.