Remember, this is all about regulating your circadian rhythm and thus your sleep schedule, so sticking to a consistent routine is of utmost importance — and that includes your meals. Each morning, take the time to eat a healthy (not heavy) breakfast. "You could take that tip from a healthy breakfast to all the meals during the day, because the heavier the meals, the more it's going to make you feel sluggish," Dr. Dasgupta said.