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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%.
A number in the 0–9 range is considered to be normal while a number in the 10–24 range indicates that expert medical advice should be sought. [3] For instance, scores of 11–15 are shown to indicate the possibility of mild to moderate sleep apnea, where a score of 16 and above indicates the possibility of severe sleep apnea or narcolepsy. [3]
Although it is counter-intuitive, sleep restriction is a significant and effective component of CBT-I. It involves controlling Time In Bed (TIB) based upon the person's sleep efficiency in order to restore the homeostatic drive to sleep and thereby re-enforce the "bed-sleep connection". [8] Sleep Efficiency (SE) is the measure of reported Total ...
Doctors explain why sleep efficiency is one of several important factors for getting the rest you need. Skip to main content. 24/7 Help. For premium support please call: 800-290 ...
The component scores consist of subjective sleep quality, sleep latency (i.e., how long it takes to fall asleep), sleep duration, habitual sleep efficiency (i.e., the percentage of time in bed that one is asleep), sleep disturbances, use of sleeping medication, and daytime dysfunction. Each item is weighted on a 0–3 interval scale.
Rating (adequate, good, excellent, too good*) Explanation with references Norms: Not applicable: 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
Light therapy can improve sleep quality, improve sleep efficiency, and extend sleep duration by helping to establish and consolidate regular sleep-wake cycles. Light therapy is a natural, simple, low-cost treatment that does not lead to residual effects or tolerance. Adverse reactions include headaches, eye fatigue, and even mania. [187]
For home-testing for an unusually low sleep latency and potential sleep deprivation, the authors point to a technique developed by Nathaniel Kleitman, the "father of sleep research". The subject reclines in a quiet, darkened room and drapes a hand holding a spoon over the edge of the bed or chair, placing a plate on the floor beneath the spoon.