| ADHD | Attention deficit hyperactive disorder |
| APC | antigen-presenting cell |
| CSF | cerebral spinal fluid |
| EDS | excessive daytime sleepiness |
| ESS-CHAD | Epworth Sleepiness Scale-Child Adolescent |
| FDA | U.S. Food and Drug Administration |
| ICSD-3 | International Classification of Sleep Disorder—Third Edition |
| MHC | major histocompatibility complex |
| MSLT | multiple sleep latency test |
| ODD | oppositional defiant disorder |
| OSA | obstructive sleep apnea |
| PDSS | Pediatric Daytime Sleepiness Scale |
| PSG | Polysomnography |
| SNRI | Serotonin and norepinephrine reuptake inhibitor |
| SOREMP | sleep onset rapid eye movement period |
| SSRI | Selective serotonin reuptake inhibitor |
| TCA | Tricyclic Antidepressants |
| TCR | T cell receptor |
| TH1 | T helper 1 |
| TH2 | T helper 2 |