Sleep Terminology


When you stop breathing for a period of more than 10 seconds

Sleep Obstruction

During sleep, your airway is blocked, usually by fatty tissue in your airway


A special (usually) overnight test designed to observe and monitor you during sleep

Multiple Sleep Latency Test (MSLT)

A specialized sleep study, usually performed after a standard polysomnography, consisting of several short daytime naps that are closely monitored. This is used to diagnose narcolepsy


The inability to fall or stay asleep. Everyone has problems with this on occasion. Insomnia usually refers to an ongoing problem


Excessive daytime drowsiness and the tendency to fall asleep suddenly

Periodic Limb Movement Disorder

When your arms and/or legs move excessively during sleep

Continuous Positive Airway Pressure (CPAP)

A device, worn like a mask, that maintains air pressure in your airway to help eliminate obstruction.