| ICD-10 Code | Description |
| F51.01 | Primary insomnia |
| F51.02 | Adjustment insomnia |
| F51.03 | Paradoxical insomnia |
| F51.04 | Psychophysiologic insomnia |
| F51.05 | Insomnia due to other mental disorder |
| F51.09 | Other insomnia not due to a substance or known physiological condition |
| F51.11 | Primary hypersomnia |
| F51.12 | Insufficient sleep syndrome |
| F51.13 | Hypersomnia due to other mental disorder |
| F51.19 | Other hypersomnia not due to a substance or known physiological condition |
| F51.3 | Sleepwalking [somnambulism] |
| F51.4 | Sleep terrors [night terrors] |
| F51.5 | Nightmare disorder |
| F51.8 | Other sleep disorders not due to a substance or known physiological condition |
| F51.9 | Sleep disorder not due to a substance or known physiological condition, unspecified |
