As we are trying to determinate which of all Mental Disorders are usually related to sleeping disorders as insomnia, we ought to continue with other Mood Disorders. Inside this large group of syndroms, it is necesary to give a main chapter to Depression.  When the feeling of sadness and despondency are no longer a normal human response to a stressing or traumatic situation, is something a diagnostic criterion must determinate. Some of the most common symptoms of Depression generally discribed in psychiatry books are: an important diminished pleasure or interest in all kind of matters or activities, insomnia or hypersomnia, lack of energy, significant weight loss or weight gain, depressed mood most of the day, indecisiveness, suicidial ideation, etc.

 As we see, insomnia is one of the symptoms describes in depressions symdroms, so, according to what we said in the previous paragraph, first it is necessary to treat the mood disorder in order to bring an accurate treatment to insomnia. If a patient with depression has been treated in his sleep disorders separately from his depresssion, he will probably keep suffering from insomnia or hipersomnia. A global approach is highly recommended for treating insomnia in all its varieties.

Kinds of insomnia

Either the patient has initial, middle or terminal insomnia, all kinds of sleep disturbance have been documented in patients with the diagnosis of depression. Generally insomnia is a symptom that increases the feeling of tiredness therefore the ability to concentrate. According to several investigations, patients who suffer from terminal insomnia show frequently more severe depression symptoms.

 There are many mood disorders that can be related to insomnia but Depression is the one in which sleeping disorders can very often increase the severity of all the other symptoms.

Nowadays, Depression is overdiagnosed because of the many products that are available in the market to overcome this mental disorder. This make more difficult to achieve an accurate diagnosis.

 The symptoms described before must be present for at least 14 days. If these symptoms come along with other kind of insomnia or mood fluctuations, we must make a differential diagnosis with syndroms such as bipolar disorder or mood disorders due to a general medical condition or to abuse of a substance.

 We hope these paragraphs will be usefull to find the correct path to search of solutions to sleeping disorders.