In Charles Duhigg’s book, The Power of Habit, Duhigg explains that most of what you think you are deciding is actually based on habit. What time you go to bed. What time you wake up. What you eat for breakfast. How you dress for work.
You say decision. Your body says habit.
Your brain depends on you developing habits because habits require a lot less brain power than decisions. Your brain accounts for about 4% of your body mass but requires about 20% of your total glucose for fuel. When your body goes into habit-mode, your brain runs on lower power than when you’re sleeping. Your brain likes this because it frees up glucose to solve new problems. Continue reading