Glossary
The NORAH glossary provides brief and clear explanations of technical terms and abbreviations. Can’t find the term you were looking for? Then simply get in touch with us via the contact form.
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Polysomnography
A polysomnographic investigation registers several physical measurement values during sleep, including the brain activity and eye movements, the heartbeat and the breathing rhythm. This information helps doctors, for example, to identify the causes of sleep disorders.