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

I realized that although I’d always assumed that feeling tired pushed me toward sleep, feeling exhausted often made me stay up later. Going to bed demands a real burst of psychic and physical energy. When I’m too tired to switch gears, and I can’t face the thought of washing my face, I delay going to bed.