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Sleep structure in patients with COMISA compared to OSA and insomnia. 2023

Bernice M Wulterkens, and Lieke W A Hermans, and Pedro Fonseca, and Jerryll Asin, and Nanny Duis, and Hennie C J P Janssen, and Sebastiaan Overeem, and Merel M van Gilst
Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.

Obstructive sleep apnea (OSA) and insomnia frequently co-occur, making diagnosis and treatment challenging. We investigated differences in sleep structure between patients with OSA, insomnia, and comorbid insomnia and sleep apnea (COMISA) to identify characteristics that can be used to improve the diagnosis of COMISA. We obtained polysomnography data of 326 patients from the Sleep and OSA Monitoring with Non-Invasive Applications database. The group included patients with OSA (n = 199), insomnia (n = 47), and COMISA (n = 80). We compared statistics related to sleep structure between the 3 patient groups. Wake after sleep onset was significantly shorter for the OSA group (median: 60.0 minutes) compared to the COMISA (median: 83.3 minutes, P < .01) and the insomnia (median: 83.5 minutes, P = .01) groups. No significant differences were found in the total number of awakenings and the number of short (up to and including 2 minutes) and medium-length awakenings (2.5 up to and including 4.5 minutes). However, the number of long awakenings (5 minutes or longer) and wake after sleep onset containing only long awakenings was significantly lower for patients with OSA (median: 2 awakenings and 25.5 minutes) compared to patients with COMISA (median: 3 awakenings, P < .01 and 43.3 minutes, P < .001) or with insomnia (median: 3 awakenings, P < .01 and 56.0 minutes, P < .001). Total sleep time was significantly longer and sleep efficiency was significantly higher for the OSA group (median: 418.5 minutes and 84.4%) compared to both the COMISA (median: 391.5 minutes, P < .001 and 77.3%, P < .001) and the insomnia (median: 381.5 minutes, P < .001 and 78.2%, P < .001) groups. The number of sleep-stage transitions during the night for patients with COMISA (median: 194.0) was lower compared to that for patients with OSA (median: 218.0, P < .01) and higher compared to that for patients with insomnia (median: 156.0, P < .001). Other sleep architectural parameters were not discriminative between the groups. Patients with COMISA show specific characteristics of insomnia, including prolonged awakenings. This variable is distinctive in comparison to patients with OSA. The combination of prolonged awakenings and the presence of sleep-disordered breathing leads to increased sleep disturbance compared to patients having only 1 of the sleep disorders. Wulterkens BM, Hermans LWA, Fonseca P, et al. Sleep structure in patients with COMISA compared to OSA and insomnia. J Clin Sleep Med. 2023;19(6):1051-1059.

UI MeSH Term Description Entries
D007319 Sleep Initiation and Maintenance Disorders Disorders characterized by impairment of the ability to initiate or maintain sleep. This may occur as a primary disorder or in association with another medical or psychiatric condition. Disorders of Initiating and Maintaining Sleep,Insomnia,Sleeplessness,Chronic Insomnia,DIMS (Disorders of Initiating and Maintaining Sleep),Early Awakening,Insomnia Disorder,Nonorganic Insomnia,Primary Insomnia,Psychophysiological Insomnia,Rebound Insomnia,Secondary Insomnia,Sleep Initiation Dysfunction,Transient Insomnia,Awakening, Early,Dysfunction, Sleep Initiation,Dysfunctions, Sleep Initiation,Insomnia Disorders,Insomnia, Chronic,Insomnia, Nonorganic,Insomnia, Primary,Insomnia, Psychophysiological,Insomnia, Rebound,Insomnia, Secondary,Insomnia, Transient,Insomnias,Sleep Initiation Dysfunctions
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012890 Sleep A readily reversible suspension of sensorimotor interaction with the environment, usually associated with recumbency and immobility. Sleep Habits,Sleeping Habit,Sleeping Habits,Habit, Sleep,Habit, Sleeping,Habits, Sleep,Habits, Sleeping,Sleep Habit
D012891 Sleep Apnea Syndromes Disorders characterized by multiple cessations of respirations during sleep that induce partial arousals and interfere with the maintenance of sleep. Sleep apnea syndromes are divided into central (see SLEEP APNEA, CENTRAL), obstructive (see SLEEP APNEA, OBSTRUCTIVE), and mixed central-obstructive types. Apnea, Sleep,Hypersomnia with Periodic Respiration,Sleep-Disordered Breathing,Mixed Central and Obstructive Sleep Apnea,Sleep Apnea, Mixed,Sleep Apnea, Mixed Central and Obstructive,Sleep Hypopnea,Apnea Syndrome, Sleep,Apnea Syndromes, Sleep,Apneas, Sleep,Breathing, Sleep-Disordered,Hypopnea, Sleep,Hypopneas, Sleep,Mixed Sleep Apnea,Mixed Sleep Apneas,Sleep Apnea,Sleep Apnea Syndrome,Sleep Apneas,Sleep Apneas, Mixed,Sleep Disordered Breathing,Sleep Hypopneas
D012893 Sleep Wake Disorders Abnormal sleep-wake schedule or pattern associated with the CIRCADIAN RHYTHM which affect the length, timing, and/or rigidity of the sleep-wake cycle relative to the day-night cycle. Sleep Disorders,Long Sleeper Syndrome,Short Sleep Phenotype,Short Sleeper Syndrome,Sleep-Related Neurogenic Tachypnea,Subwakefullness Syndrome,Disorder, Sleep,Disorder, Sleep Wake,Disorders, Sleep,Disorders, Sleep Wake,Long Sleeper Syndromes,Neurogenic Tachypnea, Sleep-Related,Neurogenic Tachypneas, Sleep-Related,Phenotype, Short Sleep,Phenotypes, Short Sleep,Short Sleep Phenotypes,Short Sleeper Syndromes,Sleep Disorder,Sleep Phenotypes, Short,Sleep Related Neurogenic Tachypnea,Sleep Wake Disorder,Sleep-Related Neurogenic Tachypneas,Sleeper Syndrome, Long,Sleeper Syndrome, Short,Sleeper Syndromes, Long,Sleeper Syndromes, Short,Subwakefullness Syndromes,Syndrome, Long Sleeper,Syndrome, Short Sleeper,Syndrome, Subwakefullness,Syndromes, Long Sleeper,Syndromes, Short Sleeper,Syndromes, Subwakefullness,Tachypnea, Sleep-Related Neurogenic,Tachypneas, Sleep-Related Neurogenic,Wake Disorder, Sleep,Wake Disorders, Sleep
D015897 Comorbidity The presence of co-existing or additional diseases with reference to an initial diagnosis or with reference to the index condition that is the subject of study. Comorbidity may affect the ability of affected individuals to function and also their survival; it may be used as a prognostic indicator for length of hospital stay, cost factors, and outcome or survival.
D020181 Sleep Apnea, Obstructive A disorder characterized by recurrent apneas during sleep despite persistent respiratory efforts. It is due to upper airway obstruction. The respiratory pauses may induce HYPERCAPNIA or HYPOXIA. Cardiac arrhythmias and elevation of systemic and pulmonary arterial pressures may occur. Frequent partial arousals occur throughout sleep, resulting in relative SLEEP DEPRIVATION and daytime tiredness. Associated conditions include OBESITY; ACROMEGALY; MYXEDEMA; micrognathia; MYOTONIC DYSTROPHY; adenotonsilar dystrophy; and NEUROMUSCULAR DISEASES. (From Adams et al., Principles of Neurology, 6th ed, p395) Obstructive Sleep Apnea,Upper Airway Resistance Sleep Apnea Syndrome,Apnea, Obstructive Sleep,OSAHS,Obstructive Sleep Apnea Syndrome,Sleep Apnea Hypopnea Syndrome,Sleep Apnea Syndrome, Obstructive,Syndrome, Obstructive Sleep Apnea,Syndrome, Sleep Apnea, Obstructive,Syndrome, Upper Airway Resistance, Sleep Apnea,Apneas, Obstructive Sleep,Obstructive Sleep Apneas,Sleep Apneas, Obstructive

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