Insomnia
... What is insomnia? Insomnia is a sleep disorder of difficulty initiating or maintaining sleep. People with insomnia have one or more of the following symptoms: difficulty falling asleep; waking up ofte...

Common Sleep Disorders: An Overview
... What are sleep disorders and how common are they? Sleep disorders are conditions that prevent a person from getting restful sleep and, as a result, can cause daytime sleepiness and dysfunction. There ...

Overview
... Almost everyone has occasional sleepless nights, perhaps due to stress, heartburn, or drinking too much caffeine or alcohol. Insomnia is a lack of sleep that occurs on a regular or frequent basis, oft...

Insomnia
... It is not unusual to have sleep troubles from time to time. But, if you feel that you do not get enough sleep or satisfying sleep, you may have insomnia, a sleep disorder. People with insomnia have on...

Sleep Disorders
... Sleep disturbances occur in about 12% to 25% of the general population [1] and are often associated with situational stress, illness, aging, and drug treatment.[2,3] It is estimated that 45% of people...