Do you sleep efficiently? Do you have sleeping issues? I'm pretty sure that majority of us are ambitious and really into maximizing our cognitive and physical performance to learn and achieve more. There are different ways to do it such as regular exercises, healthy food, nutrients, etc. There is not doubt that they all work well but what we sometimes miss is healthy and efficient Sleep! I have been struggling with sleep for quite a while until... I read book - "Sleep" by Nic k Littlehales. You are not going to believe but this book helped me to solve all my sleeping problems. Now I sleep all night long with no waking up and feel refreshed every morning. Using technics from this book I optimized my sleep-related routines and now I also can control amount of sleep during a week without affecting my performance. For example, if I have night out with friends or need to push longer hours at work. The core of the book is R90 (Recovery 90) program wh...