Tiny Habits: The Small Changes That Change Everything by BJ Fogg PhD

Based on twenty years of research and Fogg’s experience coaching more than 40,000 people, Tiny Habits cracks the code of habit formation. With breakthrough discoveries in every chapter, you’ll learn the simplest proven ways to transform your life. Fogg shows you how to feel good about your successes instead of bad about your failures. 

This proven, step-by-step guide will help you design habits and make them stick through positive emotion and celebrating small successes. Whether you want to lose weight, de-stress, sleep better, or be more productive each day, Tiny Habits makes it easy to achieve—by starting small.