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Diagnosing sleep disorders 

Diagnosing sleep disorders
Diagnosing sleep disorders

Dr Sue Wilson

and Prof. David J. Nutt

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date: 07 April 2020

- Obtaining a sleep history is a critical part of the general examination of a patient presenting with a sleep disorder

- Sleep disorders are formally classified in both ICD-10 and Diagnostic and Statistical Manual IV (DSM-IV) and are more fully described in the International Classification of Sleep Disorders

- Sleep disorders can be divided by symptom presentation into three major categories: insomnias, hypersomnias, and parasomnias

- Common precipitating factors of disordered sleep include irregular routine, caffeine, cigarettes, alcohol and other drugs

- Questionnaires and sleep diaries can be helpful to the clinician in establishing a sleep diagnosis

- Sleep specialist centres have facilities for performing a range of objective tests of sleep and sleepiness, including: actigraphy, polysomnography, multiple sleep latency testing, and overnight video recording

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