Insomnia May Be Caused By The Genes, A New Study Reveals

Insomnia May Be Caused By The Genes, A New Study Reveals
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Insomnia is a sleep disorder that affects more and more people. Many studies have been conducted on how and why is insomnia occurring but recent ones have suggested that insomnia might be related to specific genetic information. Even more, a new large study has just been concluded and has revealed that insomnia may be caused by the genes.

About Insomnia

Insomnia can be:

  • Primary – When a person has trouble sleeping, not directly associated with other illness or other health problems;
  • Secondary – When the person has trouble sleeping because of illnesses such as asthma, depression, arthritis, cancer, due to certain pain, or because of medications they take or the substances they consume, such as alcohol;

Depending on duration, insomnia can be:

  • Acute – From one night to a few weeks;
  • Chronic – When a person suffers from insomnia at least three times a week for one month or a lot more;

Insomnia May Be Caused By Genes

The scientists analyzed the sequenced genomes of more than 30,000 US soldiers suffering from insomnia but not before surveying the soldiers.

The researchers have observed that insomnia might be caused by the chromosome 7 which, even though is not related to any gene, is pretty close to 2 genes, one which is involved in developing specific patterns in the brain right before sleep, and another which is influencing how much a person drinks.

Even more, the study revealed a fact that has already been known about insomnia but has never been clearly proven in a large study – Insomnia is one of the symptoms of depression.

The scientists admitted that older studies have also linked insomnia to genetic factors but those previous studies were conducted on identical twins. Thus, this recent study is the largest ever conducted in this regard.

The study concluded that insomnia may be caused by the genes and the scientists involved in it said that “better understanding of the molecular bases for insomnia will be critical for the development of new treatments.”


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