His book is very good. Its all about applying it. Its about giving up the old you and creating a new you. Its about what goes on in dairy which I had no idea. Grossed me out. Talks about our water and how bad sugar is. It's full of information. I love to research anyways. But apply it. Take free master classes. Actually get the junk out. Read labels. I was loosing so much sleep and found out my D was extremely low so started taking his D and Omegas. I'm getting better sleep. I went from waking up after 2 hrs to staying asleep 7hrs. Plus I'm getting lots more rem sleep and finally gradually getting deep sleep in. You got a change your eating habits. Get exercise