How To Be More Productive Every Day

Illustrated by Elliot Salazar.
Ever notice how coffee can sometimes give you the jitters, while other times you can drink a whole pot and still stifle yawns? Or how you kill your to-do list with ease some days, and other days find it hard to get through even the easiest tasks?

You can thank (or blame!) your biological clock for those times you feel really “on” and the times when you’re feeling a little off, according to productivity research. There are teams of scientists, researchers, and doctors who are studying “chronobiology,” or how to get the optimal performance out of your body’s natural rhythm. Here’s how to capitalize on the best times of day to knock to-do items off your list.