Sleeping disorders have become quite common in most of the countries across the world. People suffer from problems such as falling asleep, inability to stay asleep, and failure to feel restored by sleep.

In general, the causes for sleep disorders can be categorized into internal, external and due to disturbance in the normal circadian pattern. Most often, sleep disorders are associated to diseases of any organ and a major factor for internal causes of sleep disorder. It is common that most of the diseases manifest with a disturbance in the normal sleep pattern. However, serious sleep disorders can be caused because of medical conditions such as chronic obstructive pulmonary disease, sleep-related gastroesophageal reflux, peptic ulcer, fibrositis syndrome, back problems, and neck problems. Any impairment in the brain such as central apnea and neurodegenerative diseases such as Alzheimer’s disease are also potential cause for sleep disorders. Breathing problems are also major causative in cases such as obstructive sleep apnea and snoring.

In the case of endocrinal changes, sleep disorders are evident symptom such as in cases of thyroid problems, in which patient are with insomnia or over sleep. The sleep problems associated with menopause and pregnancy related ones are very common. The alteration in the circadian rhythm is a major causative for many sleep disorders. Shift workers usually experience sleep disorders due to their altered sleep pattern and jet lag is a reason for sleep disorder among plane travelers.

Life style factors such as alcoholism and intake of alkaloids or caffeine can also contribute to the cause of sleep disorders. The environmental factors include light, noise, and change of bedding. The intake of certain drugs Lotronex and Tramadol are also proven to cause sleep disorders. The consumption of any particular substance may also attribute sleep disorders in some patients. Anyway, the causative factor will differ from one patient to the other.