Monthly Archives: September 2010

When Do I Need a Sleep Study?

Sometimes people who are sleeping poorly don’t know whether they need an overnight sleep study or not. The sleep study is also called polysomnography, or PSG for short. There are about 80 sleep disorders. Some of these sleep disorders require an overnight sleep study, though many do not. Here is a list:
Sleep study is NOT required for:
• Insomnia
• Circadian Rhythm Disorders such as Delayed Sleep Phase Syndrome
• Most Parasomnias
• Some Hypersomnias such as
• Some movement disorders such as Restless Legs Syndrome

Overnight sleep study IS required for:
• Sleep disordered breathing, including Sleep Apnea
• Periodic Limb Movement Disorder
• Some Parasomnias, including REM Behavior Disorder
• Narcolepsy

Next blog post we’ll continue this discussion by describing exactly what data is collected in the sleep study.