Your circadian rhythm affects nearly every part of your day, including how deeply you sleep, when you feel energized, how clearly you think, and how well you perform.

This straightforward guide shows you how to properly time the most important parts of your day, including morning light, caffeine, meals, naps, evening light, and your wind-down routine.

Inside, you’ll learn how to:

• Set a consistent wake-time anchor
• Use morning light to strengthen your body clock
• Build enough sleep pressure throughout the day
• Time caffeine and meals without harming your sleep
• Reduce evening light and properly wind down
• Recover from a bad night without ruining your schedule

No complicated routines or generic advice. Just a clear daily system designed to help you sleep deeper, wake up with more energy, and perform better throughout your entire day.