Sleep Disorders

Question 1

Used for OSA, CSA, parasomnias & period limb movement disorders; REM behavior disorder

Answer 1

Polysomnography

Question 2

Objective measure of sleepiness, Useful for narcolepsy

Answer 2

MSLT (Multiple sleep latency test)

Normal is < 10 minutes
Pathologically sleep is <8 minutes
REM sleep during more than one of these naps is abnormal

Question 3

Useful for evaluation of shift work disorder, Advanced/delay sleep phase disorder, and large populations for drug trials

Answer 3

Actigraphy