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Human Services. They found that 47 percent of those reporting severe insomnia
also reported feeling a high level of emotional distress.
Pain and discomfort from an injury, illness, or disability can also impair sleep.
When people are in pain or sick, they general have medication to help them
through the uncomfortable symptoms. Unfortunately, many of these medicines
can also cause insomnia to come about or even to get worse.
Other causes have been shown to contribute to insomnia such as substance
abuse, working on a shift such as all night shifts at work, high levels of stress
hormones and imbalance in hormones. The normal aging process has been
known to cause insomnia, possibly due to hormonal changes. There may also be
a genetic link.
So, yes, many various factors contribute to this malady, but who suffers from it
and does it affect some more than others?
Who Has Insomnia?
Studies have estimated that around one-third of all American and European
adults have some insomnia during each year. About 10% or 20% of them suffer
severe sleepless problems. It has also been shown that many (about 90%) who
have depression suffer from insomnia.
Individuals who have physical complaints, such as headaches and chronic pain
with no identifiable cause also complain of insomnia. One study took place where
patients who had these complaints were treated for a sleep disorder only and
over 65% of those treated said that their headaches were cured.
Others who may suffer from insomnia are those who travel frequently, particularly
those who cross time zones in their travel, and people who have post-traumatic
stress syndrome.