Better Than Before: What I Learned About Making and Breaking Habits--to Sleep More, Quit Sugar, Procrastinate Less, and Generally Build a Happier Life

by Gretchen Rubin

Larks, Owls, and everyone in between should consider that aspect of their nature when trying to shape a habit. An Owl shouldn’t bother trying to form the habit of getting up early to study, and a Lark shouldn’t try to fit in two hours of writing after dinner.