a sleep disorder (somnipathy) is a medical disorder of the sleep patterns of a person or an animal. Some sleep disorders are serious enough to disrupt the physical, mental and emotional normal. A test is usually ordered for some sleep polysomnography.

Sleep is absolutely essential for normal, healthy function. Scientists and doctors do not fully understand this complicated, necessary, physiological phenomenon. According to the National Institute of Neurological Disorders and diseases, some 40 million people in the United States suffer from chronic sleep disorders each year suffer long-term 20 million people occasionally sleep.

Causes of sleep

The cause of the depressed patients is a combination of brain chemistry, family history, and the psychosocial environment. It is unclear whether these factors dominates, but abnormal levels of neurotransmitters norepinephrine, serotonin and dopamine are closely associated with depression. Thus, the cause of depression is often attributed to a “chemical imbalance”. These neurotransmitters play an important role in how we experience pleasure and mood.

Night workers often have trouble sleeping because they can not sleep when they begin to feel sleepy. Your Biological Clock of the body to say to do one thing while doing something else. People who work at night often have an increased risk of heart problems and digestive disorders, and emotional and psychological problems.

Age: Although depression can occur at any age, its occurrence is usually aged between 24 and 44 The late onset may correlate with the absence of family history of depression. Fifty percent of people with major depressive disorder experience their first episode of depression at the age of 40 years, but maybe it can move to the 30s. Studies show that the highest incidence rate among middle-aged people.

Genetic factors: The statistics show that children of parents with depression suitable to develop the disorder. A person must inherit a 27% chance of a mood disorder from a parent, and the double chance if both parents are affected. Studies on the prevalence of depression in twins show a probability of 70% for monozygotic twins, of depression, which is twice the frequency of occurrence in dizygotic twins suffer.

Aging: Approximately 50% of adults over 65 have some sort of sleep disorder. It is not clear whether this is a normal part of aging, or after medication.

Mental Illness: Most patients with mental illnesses a form of sleep disorder. Depression often causes patients to wake up early in the morning not sleep.
Nap during the day is not just a nice thing to do, he can actually make you smarter. Basically, when you sleep, you learn. Sleep is the time that the brain is “disconnected” from reality has monitoring and time, new developments and experiences in power. If you sleep during the day, you gvie yorself some time to the first part of the day to integrate the memory.

Sleepwalking or somnambulism: Engaging in activities usually with wakefulness (such as eating or dressing) is assigned to can go to those without the knowledge of the subject

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Obesity is strongly associated with sleep apnea and is a cause of it, in some cases. Imaging scans have fat cells clogging the throat tissue so that the airways narrow as the show. In one study, the more obese people with sleep apnea have more pressure on the respiratory system and thus have more airway obstruction. (Obstructive sleep apnea can also contribute to obesity itself, however, because a sleeping person tends to be sedentary).


Sleep