Abbreviations
- EU: Europe
- HFF: High frequency filter
- IED: Interictal epileptiform discharge
- LFF: Low-frequency filter
- LRS: Lateral rectus spikes
- N2: Non-REM sleep, stage 2
- N3: Non-REM sleep, stage 3
- PDR: Posterior dominant rhythm
- REM: Rapid eye movement
- RMTD: Rhythmic midtemporal theta burst of drowsiness
- US: United States