This document discusses several sleep disorders including insomnia, narcolepsy, and sleep apnea. Insomnia is the most common sleep disorder, affecting about 64 million Americans each year and is more prevalent in women than men. It can be caused by factors like anxiety, depression, and stress. Symptoms include poor alertness, impaired memory and motor skills. Treatment involves developing healthy sleep habits. Sleep apnea involves interrupted breathing during sleep and can be caused by issues with the windpipe or weight gain. Symptoms include loud snoring and lack of oxygen. Treatment focuses on losing weight and quitting smoking. The document emphasizes establishing a regular sleep schedule to avoid sleep problems and arranging one's bedroom for comfort.