Lactucin, the hypnotic component of lettuce, is put to the test in a randomized, double-blind, placebo-controlled trial of lettuce seeds. “There is a perception that time spent asleep is time wasted,” but it’s widely recognized that insufficient sleep is linked to multiple acute and chronic conditions and increases the risks of death and disease. As I discuss in my video Natural Dietary Remedy for Insomnia, forcing people to get only six hours of sleep per night for one week can change the expression of more than 700 genes. The most dire effect may be endothelial dysfunction. The endothelium i...