You've heard of Vitamin C and Vitamin D, but what about Vitamin U? Despite its name, Vitamin U isn't actually a traditional vitamin. It's a natural compound called S-methylmethionine (SMM), found in many green vegetables.

Health experts have discovered that chronic sleep deprivation is as deadly as bad diets, smoking and even alcoholism! So for people who are suffering from insomnia, what is nature’s best remedy for sleepless nights?