long term insomnia

Many people consider insomnia as a disease but as a matter of fact, it is a symptom but not a disease. Many people suffer from insomnia but the effects of insomnia vary from person to person and many people do not even realize that they have insomnia. One of the most common symptoms of insomnia is daytime sleepiness and people who suffer from insomnia usually take naps which will disturb their ...