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In medicine, insomnia is measured using the Athens insomnia scale. It was introduced in the year 2000 by a group of researchers [ 1 ] from Athens, Greece to assess the insomnia symptoms in patients with sleep disorders.
Mean and standard deviation do not exist because the SSS is a single item questionnaire. Internal consistency (Cronbach's alpha, split half, etc.) Not applicable: SSS only has one question Inter-rater reliability: Not applicable: Designed originally as a self-report scale Test-retest reliability (stability) Good: r = .88 [5] Repeatability: Not ...
Systems have changed, increasingly using technological discoveries to advance the understanding of sleep and recognition of sleep disorders. Three systems of classification are in use worldwide: the International Classification of Diseases (ICD), the Diagnostic and Statistical Manual of Mental Disorders ( DSM ), and the International ...
Adjustment sleep disorder (acute insomnia) 307.41 F 51.02 Psychophysiological insomnia 307.42 F 51.04 Paradoxical insomnia (formerly sleep state misperception) 307.42 F 51.03 Idiopathic insomnia 307.42 F 51.01 Insomnia due to mental disorder 307.42 F 51.05 Inadequate sleep hygiene V69.4 Z72.821 Behavioral insomnia of childhood 307.42 —
Sleep studies using polysomnography have suggested that people who have sleep disruption have elevated night-time levels of circulating cortisol and adrenocorticotropic hormone. [71] They also have an elevated metabolic rate, which does not occur in people who do not have insomnia but whose sleep is intentionally disrupted during a sleep study.
The test is based on subjectivity and therefore may not be accurate when factors such as: the test takers opinions on their sleep, how others view their sleepiness, education level, and others are considered. [11] The test can be biased as pre-emptive discussion of results can have an effect on the responses while the test is being taken. [4]
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Sleep efficiency (SE) is the ratio between the time a person spends asleep, and the total time dedicated to sleep (i.e. both sleeping and attempting to fall asleep or fall back asleep). It is given as a percentage. [1] SE of 80% or more is considered normal/healthy with most young healthy adults displaying SE above 90%.