| AHI | apnea-hypopnea index |
| CT | computed tomography |
| MRI | magnetic resonance imaging |
| mRS | modified Rankin Scale |
| NIHSS | National Institutes of Health Stroke Scale |
| ODI | oxygen desaturation index |
| OSA | obstructive sleep apnea |
| PG | polygraphy |
| PSG | polysomnography |
| SAS | sleep apnea syndrome |
| SDB | sleep-disordered breathing |
| T90 | time with O2 saturation < 90% |
| WUS | wake-up stroke |
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