Getting adequate sleep is another way to protect yourself from stress. According to the National Sleep Foundation, 63 percent of American adults do not get the recommended eight hours of sleep per night. Lack of sleep can lead to anxiety, depression, and academic struggles. Researchers at Trent University in Ontario found that students who studied all week but then stayed up late partying on the weekends forgot as much as 30 percent of the material that they had learned during the prior week. Try the following suggestions to establish better sleep habits: