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Insomnia


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             Short-term insomnia lasts up to two or three weeks and often may result from anxiety, nervousness, and physical and mental tension, worries about money, the death of a loved one, marital problem, looking for or losing a job, the death of close ones, divorce, illness, financial problems, change in the surrounding environment, stress, jet lag, weight loss, excessive concern about health, or plain boredom, social isolation, or physical confinement or medication side effects. These can all contribute to short-term or intermittent (on and off) insomnia. .
             Insomnia is considered to be chronic if poor sleep occurs during three nights or more per week that has been present for at least one month (and often much longer) on most nights and lasts a month or more. Nearly one in 10 adult Americans has chronic insomnia. Accordingly, when a person has trouble falling asleep at night but alert and rested during the day, he or she is not an insomniac but a person who just requires less sleep. .
             There are physical causes of insomnia, such as disease, pregnancy, and physical injury. There are environmental causes such as dust, too low or high temperature, light, and noise. Psychological problems; for example, anxiety, depression, anticipation, tension, stress, etc., are the most common causes of the insomnia. In addition, the poor .
             habits such as excessive caffeine, drugs, alcohol, diet, night shift work or school have also shown the cause of the insomnia. The National Sleep Foundation sponsored a Gallup survey in 1999 that indicated that nearly 50% of adult Americans reported some problem with falling or staying asleep during the past year. Previous research had indicated that about one in six adults consider sleep to be a serious problem, with women and the elderly reporting more frequent problems. .
             The primary effect of the insomnia is impaired daytime mood in the form of irritability, tiredness, frustration, anxiety, mild depression fatigue, difficulty concentrating, a lack of energy, or reduced motivation.


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