Get Proper Rest to Be at Your Best Lack of sleep can lead to a higher risk of heart disease, stroke, and high blood pressure The average middle schooler needs 9–11 hours of sleep each night unhealthy food decisions People who do not sleep enough are more likely to make better grades Studies show that students who get enough sleep each night tend to earn than students who do not get enough sleep Copyright Goodheart-Willcox Co., Inc. Chapter 3 Getting the Sleep You Need 73 Top left: Olga Kovalska/Shutterstock.com Top right: Anastasia_B/Shutterstock.com Middle: VectorPlotnikoff/Shutterstock.com Bottom: Visual Generation/Shutterstock.com