| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Sleep disorder caused by ingestible alcohol | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Insomnia with sleep apnea | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Dyssomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypersomnia disorder related to a known organic factor | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-wake schedule disorder, disorganized type | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Pavor nocturnus | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Mixed insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-wake schedule disorder, frequently changing type | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep disorder caused by caffeine | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sedative, hypnotic AND/OR anxiolytic-induced sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Parasomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Initial insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Narcolepsy | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Terminal insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Middle insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypersomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Obstructive sleep apnea syndrome | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypersomnia with sleep apnea | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep walking disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-wake schedule disorder, delayed phase type | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Insomnia disorder related to known organic factor | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Fatal familial insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Opioid-induced sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Rebound insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypersomnia disorder related to another mental disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep terror disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Substance-induced sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Late insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of nightmares | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| On examination - drowsy | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Persistent insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Persistent hypersomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep drunkenness | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Repeated rapid eye movement sleep interruptions | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Short-sleeper | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Cataplexy and narcolepsy | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Disorders of initiating and maintaining sleep | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Disorder of excessive somnolence | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Symptoms interfere with sleep | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Transient insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Transient hypersomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Repetitive intrusions of sleep | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of somnolence | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Dreaming/nightmare under general anesthesia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Unspecified non-organic sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Other sleep stage or arousal dysfunction | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Non-organic sleep disorder NOS | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| [X]Other nonorganic sleep disorders | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| [X]Nonorganic sleep disorder, unspecified | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Cataplexy or narcolepsy NOS | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| [X]Other sleep disorders | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Insomnia NOS | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypersomnia NOS | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Other non-organic sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Nocturnal sleep-related eating disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Somnolence syndrome | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of dreams | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of sweet/pleasant dreams | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of unpleasant dreams | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of bizarre dreams | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Complaining of vivid dreams | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Early morning waking | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep pattern disrupts family lifestyle | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Rest pattern disrupts family lifestyle | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Frequent night waking | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Insufficient rest/sleep for age | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Insufficient rest/sleep for physical condition | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Difficulty with prenatal rest pattern | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Difficulty with postpartum rest pattern | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep hypoventilation due to lower airway obstruction | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Non-organic parasomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep attack | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-onset association disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Limit-setting sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypersomnia disorder related to menstruation | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Recurrent hypersomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Idiopathic insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-related groaning | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-related dissociative disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Environmental sleep disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Secondary parasomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep state misperception | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Hypoventilation during sleep due to neuromuscular disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Psychophysiologic insomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Able to sleep | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep related rhythmic movement disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep-related neurogenic tachypnea | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Confusional arousal disorder | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Organic parasomnia | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Organic sleep apnea | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Recurrent isolated sleep paralysis | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Idiopathic hypersomnia without long sleep time | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Primary sleep apnea of newborn | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep apnea | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Idiopathic sleep related non-obstructive alveolar hypoventilation | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Congenital central hypoventilation | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Idiopathic hypersomnia associated with long sleep time | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep dysfunction with sleep stage disturbance | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Sleep dysfunction with arousal disturbance | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| Able to sleep | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  | 
| [X]Other nonorganic sleep disorders | Interprets | False | Sleep, function | Inferred relationship | Existential restriction modifier |  |