The most common of these disorders are Insomnia, Sleep Apnea, Restless Leg Syndrome, and Narcolepsy. Insomnia Insomnia can result from stress, jet lag, diet, or many other things. About 60 million people a year are affected by insomnia. This affects people's job performance and also a persons' well-being the next day. Insomnia increases with age and affects 40 percent of women and 30 percent of men.
Insomnia is usually a symptom of a serious medical problem.
Treatment of insomnia usually includes sleeping pills and by working harder to use good sleeping habits. Researchers are also using light therapy to alter the body's natural circadian rhythms. Sleep Apnea Sleep apnea is a disorder associated with interrupted breathing during sleep. It usually occurs with increased age, fat build-up, and loss of muscle tone. The interruption of breathing is due to he collapse of the windpipe when muscles relax during sleep.