 I don't need to tell you how important a good night's sleep is, but like most people, sometimes you can't fall asleep or you wake up during the night. That's why I want to tell you about Z Factor. Z Factor is a 100% drug-free way to help you fall asleep faster, sleep longer, and sleep better. Z Factor is from the makers of Relief Factor. Now, Z Factor uses a formula of four all-natural ingredients to calm your mind and relax your body so you ease into sleep faster and sleep less.