There are Many Reasons for Insomnia

A woman suffering from insomnia. (iStockphoto/Thinkstock)
A woman suffering from insomnia. (iStockphoto/Thinkstock)

Insomnia is defined as chronic inability to fall asleep or remain asleep for an adequate length of time. It is estimated 10 to 40 per cent of people suffer from some sort of insomnia. This is only an estimate as nobody has yet defined what constitutes normal sleep.

Most adults sleep seven to eight hours a night. Newborns and children may sleep up to 16 hours a day. Older people may sleep only six hours a night. There is no magic number. If you are tired the next day or are yawning all the time then you need more sleep.

The quality of sleep you get is also important. The quality and quantity of sleep depend on many factors like your health, your lifestyle and your environment.

In a survey done in the United States, it was found that many patients with insomnia have other medical problems. Thirty per cent of the patients have depression, 20 per cent have other mental disorders, and 19 per cent have other illnesses. But 31 per cent of the patients have primary insomnia – no medical condition contributing to insomnia. Sometimes insomnia may be the first symptom of depression.

“The prevalence of insomnia has also been reported to be higher in women, women in minority groups, people who are unemployed or separated, lower socioeconomic groups and in those with medical or psychiatric – particularly substance abuse – disorders,” says an article in the Canadian Medical Association Journal.

It is very important you consult your doctor if you have trouble falling asleep or cannot remain asleep for an adequate length of time. The cause of your insomnia could be stress, depression, anxiety, panic attacks, spastic bladder, arthritis, hyperthyroidism, congestive heart failure, obstructive sleep apnea, or lung disease. You may be overindulging in caffeine or alcohol. Or there may some other cause.

Your physician can help you sort some of these problems by recommending regular daytime exercise, avoiding large meals at night, avoiding caffeine, tobacco and alcohol; reducing evening fluid intake; maintaining a consistent wake-up time; avoiding or limiting daytime napping and avoiding bright lights – including television, noise and temperature extremes. In some circumstances he may recommend medications.

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