Always a perfectionist, Virgos are the most prone to insomnia because they have such a habit of over-thinking and analysing every single detail. "Ruled by mental Mercury, Virgos often spend most of their time breaking down every little piece of information and can have difficulty slowing their roll down enough to relax," Thomas adds. They'll also be the first to try out an herbal supplement or natural remedy to try to release their stress to get some much needed sleep. (Speak with a physician to make sure this is OK first.)