Aside from making us cranky and crave chocolate, our menstrual cycles cause hidden changes in our bodies that can affect all aspects of our lives. And it’s not just during our periods: The entire 28-day menstrual cycle represents hormonal shifts that can affect how well we sleep, exercise, and the foods our bodies need. Instead of letting your cycle control your health, you can use the different phases to your advantage and give your body what it needs on any given day.
Below, check out a primer on the four basic phases of the menstrual cycle, and get tips on how to eat, exercise, and sleep better on every day of the month.