| BdNST | Bed nucleus of the stria terminalis |
| CSF | Cerebrospinal fluid |
| DA | Dopaminergic |
| DREADD | Designer receptors exclusively activated by designer drugs |
| DRN | Dorsal raphe nucleus |
| EEG | Electroencephalogram |
| EMG | Electromyogram |
| GABA | γ Amino butyric acid |
| GFAP | Glial fibrillary acidic protein |
| Hcrt | Hypocretin |
| HcrtR2 | Hypocretin receptor 2 |
| Hz | Hertz |
| i.c.v. | Intracerebroventricular |
| LC | Locus coeruleus |
| LH | Lateral hypothalamus |
| MCH | Melanin-concentrating hormone |
| mRNA | Messenger ribonucleic acid |
| NE | Norepinephrine |
| NPS | Neuropeptide S |
| NREM | Non-rapid eye movement |
| REM | Rapid eye movement |
| TMN | Tuberomammillary nucleus |
| Vglut2 | Vesicular glutamate transporter 2 |
| VLPO | Ventrolateral pre-optic nucleus |
| vlTMN | Ventrolateral tuberomammillary nucleus |
| vPAG | Ventral periaqueductal gray |
| VTA | Ventral tegmental area |