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A sleep disorder, or somnipathy, is a medical disorder affecting an individual's sleep patterns, sometimes impacting physical, mental, social, and emotional functioning. [1] Polysomnography and actigraphy are tests commonly ordered for diagnosing sleep disorders.
These sleep issues elevate the risk of severe mental health disorders, including PTSD and depression. Early intervention is crucial. Though promising, implementing cognitive-behavioral and imagery-rehearsal therapies for insomnia remains a challenge.
The current formal name established in the third edition of the International Classification of Sleep Disorders (ICSD-3) is delayed sleep-wake phase disorder. Earlier, and still common, names include delayed sleep phase disorder (DSPD), delayed sleep phase syndrome (DSPS), delayed sleep phase type (DSPT), and circadian rhythm sleep disorder. [37]
The insomnia is not better explained by and does not occur exclusively during the course of another sleep-wake disorder (e.g., narcolepsy, a breathing-related sleep disorder, a circadian rhythm sleep-wake disorder, a parasomnia). The insomnia is not attributable to the physiological effects of a substance (e.g., a drug of abuse, a medication)."
Sleep disorders are associated with disruption to normal sleep patterns. A common sleep disorder is insomnia, which is described as difficulty falling and/or staying asleep. Other sleep disorders include narcolepsy, sleep apnea, REM sleep behavior disorder, chronic sleep deprivation, and restless leg syndrome.
Chronic sleep deprivation also raises the brain's amyloid-beta aggregation, which is linked to neurodegenerative diseases like Alzheimer's. Impaired clearance mechanisms during reduced sleep worsen this neurotoxic environment.Neuroimaging studies also show a shift of cognitive resources, which decreases activation in the prefrontal cortex and ...
Some psychiatrists may use these two terms "mental distress" and "mental disorder" interchangeably. However, it can be argued that there are fundamental variations between mental distress and mental disorder. "Mental distress" has a wider scope than the related term "mental illness", which refers to a specific set of medically defined conditions.
This is a list of mental disorders as defined in the DSM-IV, the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders.Published by the American Psychiatry Association (APA), it was released in May 1994, [1] superseding the DSM-III-R (1987).