Periodic limb movements of sleep with sleep apnea on polysomnography

This figure shows a 30-second epoch of a PSG depicting periodic limb movements of sleep (PLMS) with comorbid sleep apnea.

PSG: polysomnography; PLMS: periodic limb movements of sleep; EOG: electrooculography; EEG: electroencephalography; EMG: electromyography; ECG: electrocardiography.

Illustrated by Seulah Rebecca Choi. Reproduced with permission.