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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.
The Epworth Sleepiness Scale has been used to compare the sensitivity and specificity of other similar measurements of sleep quality. [8] [9] The Pittsburgh Sleep Quality Index is a related scoring tool of sleep quality. Both scores are internally highly reproducible. [10] The test has limitations that can affect the test's accuracy.
It is measured by assessing eight factors, five related to nocturnal sleep and three related to daytime dysfunction. These are rated on a 0–3 scale and tabulated into a cumulative score. A score of 6 or higher is used to establish the diagnosis of insomnia.
NSF developed Sleep Health Index to measure sleep health at a global group or at an individual level. It was created with the help of sleep experts and public opinion research experts. It is composed of three sub-component scales: sleep duration, sleep quality, and sleep disorders. The Index is fielded quarterly and results are publicly available.
The Fitbit Alta HR, a wearable device capable of monitoring a person's sleep. [1] Sleep tracking is the process of monitoring a person's sleep, most commonly through measuring inactivity and movement. [2] A device that tracks a person's sleep is called a sleep tracker. [3] Sleep tracking may be beneficial in diagnosing sleep disorders. [4]
Shows convergent validity with other symptom scales such as ESS and Karolinska Sleepiness Scale, [6] prediction of performance after sleep deprivation [4] Discriminative validity: Adequate: Studies do not report AUCs, some mention overlap between sleepiness, physical tiredness, and depression [4] Validity generalization: Good
Taking the Mediterranean diet scores into consideration, researchers found that in people with long COVID, those with higher Mediterranean diet scores had lower uric acid levels, lower BMI, fewer ...
The Multiple Sleep Latency Test (MSLT) is a sleep disorder diagnostic tool. It is used to measure the time elapsed from the start of a daytime nap period to the first signs of sleep, called sleep latency. The test is based on the idea that the sleepier people are, the faster they will fall asleep.