Do you wonder why you crave unhealthy foods late at night before bed? Author of several best-selling books, Jennifer Nicole Lee, explains what causes those cravings and how we can more easily kick that habit. "Eat breakfast like a queen, lunch like a princess and dinner like a pauper," she says. She also talks about the importance of protein and gives some advice about exercising at night.

Jennifer Nicole Lee is an international fitness model, author and motivational speaker who has appeared on Oprah, CBS The Early Show, Inside Edition, E! Entertainment and Fox and Friends. She is the author of the The Fun Fit Foodie Cookbook and was named one of the “Three Top Females in the Fitness Industry” of 2011 by Yahoo Sports. Catch her health and fitness tip videos exclusively on Vitacost.com. For more information about Jennifer, visit her website.