The secondary or comorbid insomnia is the most common form of insomnia. In this aspect of the disease, insomnia is a symptom or side effect of an underlying medical condition such as prior psychiatric, neurological or medical conditions and the use of various farmaceutics or drugs. The best treatment is one that solves the original pathology of the disorder. Depression is the leading cause of secondary insomnia.
Insomnia due to mental illness
Insomnia accompanies almost all psychiatric disorders. Mental disorders enrolle in a large number of cases symptomatic insomnia and according to experts about 40% of patients with insomnia have a psychiatric illness in August. Among the related neurological diseases they include Parkinsons disease, epilepsy, Huntingtons chorea, Alzheimer and headaches. Psychiatric disorders are also a huge source of disorders associated with insomnia. Among the pathologies, that include it as a symptom in clinical disorders it notes depression, psychosis, anxiety disorders, personality disorders, alcoholism, dementia and schizophrenia.
Insomnia by other diseases
This refers to insomnia as a symptom of a condition or disease before and its origin and persistence over time is closely related to this pathology. The association between disease and insomnia is a reality for many patients repeatedly without getting directly a sleep disorder, they see, how their rest is directly affected by episodes of insomnia. Among the conditions, that cause insomnia include attending rheumatic diseases such as muscular pain, fibromyalgia and other conditions not directly related to pain such as heart disease, kidney (renal failure, renal colic), endocrine and metabolic diseases such as hyperthyroidism, infectious diseases, respiratory diseases such as asthma or digestive diseases (ulcers, hiatal hernia, gastro-esophageal reflux ...).
Insomnia by poor sleep hygiene
Often, patients have reported symptoms of insomnia or lack of sleep, after an initial approach to their practice of sleep, is found what experts call a poor "sleep hygiene." Most of the disruptions in sleep patterns are not pathological and are easily corrected by modifying the evening liturgy. Sleep is often better interpretated as a healing miracle cure, but the misinformation about the mechanisms of sleep is often difficult to take the proper meaning of what it means to sleep. The sleepless nights causing a lack of sleep hygiene are based on improper practices, that cause a loss of the necessary conditions for a restful sleep. There is a protocol,in which sleep experts have unified criteria, which are designed to improve sleep quality. The decalogue of practice is what is known as "sleep hygiene." This compendium of rules comes from both the medical experience and common sense and is intended to mitigate the effects of bad habits or customs in the dream, that in some cases are the very reason of the disorders. Kleitman in 1939 introduced the term "sleep hygiene" in his book "Sleep and wakefullness." This meaning has been assigned to the medical literature to describe the catalog of rules aiming to get quality sleep. In this section we develop a protocol of basic standards and compliance provides a daily whose optimal rest and relieve possible inconvenience of a restless sleep. Despite the pervasiveness of the term in scientific circles, in any case these routines are alternative treatments or solutions for already diagnosed diseases or disorders and are a friendly recommendations to facilitate the process of being optimal asleep, in most cases by simply changing certain habits. On poor hygiene sleep routines, are based the vast majority of disorders of daytime sleepiness.