Insomnia is a nighttime sleep disturbance. Having insomnia, you are neither really asleep, nor awake as anxious arousal interferes with sleep onset. It is pretty much the most popular sleeping disorder as it occurs and interferes due to and may be the cause of many of the psychiatric disorders mentioned above. Individuals suffering from insomnia complain of insufficient or inadequate sleep, despite having the opportunity to sleep. Difficulty initiating and maintaining sleep and a sense that their sleep is not restful, restorative or refreshing are also the symptoms that are being reported by the patients.
Daytime problems, such as individuals' reactions to the environment and surroundings, ability to solve problems and react in case of emergency are often caused by insomnia and poor nighttime sleep. Insomnia also has been proved to be related to a wide variety of other disorders and problems.
Insomnia disorder can be diagnosed in some individuals, especially when the sleep disturbance is chronic. Nowadays chronic insomnia is recognized as a serious clinical problem with severe consequences. It can be caused by a wide variety of psychological and physiologic impacts, and the contribution of these factors in activating and perpetuating insomnia may shift with time. That is why the processes of identification and treatment of such a sleep disorder are important steps in the health management of patients in primary care settings.
Surveys report that insomnia is widely common among about one third to one half of the adult population. Some of the studies have concluded that gender and older age are risk factors in insomnia.
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