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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%.
The Pittsburgh Sleep Quality Index (PSQI) is a self-report questionnaire that assesses sleep quality over a 1-month time interval. The measure consists of 19 individual items, creating 7 components that produce one global score, and takes 5–10 minutes to complete. [1] Developed by researchers at the University of Pittsburgh, [2] the PSQI is ...
Respiratory disturbance index. The respiratory disturbance index (RDI)—or respiratory distress Index —is a formula used in reporting polysomnography (sleep study) findings. Like the apnea-hypopnea index (AHI), it reports on respiratory distress events during sleep, but unlike the AHI, it also includes respiratory-effort related arousals ...
4.0 + 12 Month Membership. Whoop is on the way to being the most popular option on this list, mainly because it's so damn good. This little screenless band does some of the most detailed bio ...
How Do I Get the Best Night’s Sleep Possible? Being sleep-deprived—even for one night—sucks. Luckily, there are tricks and products you can try to get your full seven to nine hours.
Whether you’re 26 or 62, there’s always something (or someone) that threatens a night of slumber.In fact, while the CDC says adults should be getting seven to nine hours of sleep each night ...