What is a good PSQI score?

The scores range from 0 to 21 and the authors suggest that a score >5 be considered as a significant sleep disturbance. Time to complete PSQI scale: 5–10 min. The reliability of the scale is considered good with Cronbach’s alpha of 0.83 for the total score.

How is PSQI scored?

In scoring the PSQI, seven component scores are derived, each scored 0 (no difficulty) to 3 (severe difficulty). The component scores are summed to produce a global score (range 0 to 21). Higher scores indicate worse sleep quality.

What type of data is PSQI?

The data from the PSQI are ordinal rather than continuous and should not be analyzed using methods that assume they have metric properties. Therefore, PRELIS 2.818 was used to estimate the polychoric correlations among the indicators and their asymptotic covariance matrix.

What is normal sleep efficiency?

It is calculated by dividing the amount of time spent asleep (in minutes) by the total amount of time in bed (in minutes). A normal sleep efficiency is considered to be 85% or higher.

What is a normal sleep latency?

Different people fall asleep in different amounts of time, but a normal sleep latency generally hovers between 10 and 20 minutes2. Sleep latency is an important measure because it can reflect a person’s overall sleepiness and provide insight into sleep quality.

What is the validity of the PSQI?

A PSQI global score > 5 resulted in a sensitivity of 98.7 and specificity of 84.4 as a marker for sleep disturbances in insomnia patients versus controls. Conclusion: The PSQI has a high test-retest reliability and a good validity for patients with primary insomnia.

Is the PSQI reliable?

What is poor sleep efficiency?

A sleep efficiency of 85 percent or higher is considered to be normal, while a sleep efficiency anywhere above 90 percent is considered to be very good. 2 A sleep efficiency of lower than 85 percent is considered poor and is a sign that an individual needs to get more efficient sleep.

How many awakenings per night is normal?

Waking up in the middle of the night is normal. Most of us experience mini-awakenings without even noticing them—up to 20 times per hour. When it comes to observable wake-ups, most people have about two or three per night.

How do you read a sleep latency test?

Mean Sleep Latency Findings An MSL of < 10 minutes is said to be consistent with excessive sleepiness (< 5 minutes severe sleepiness; 5–10 moderate sleepiness; 10–15 mild or borderline sleepiness), but as seen in Table F17-3, up to 30% of normal individuals have an MSL of < 8 minutes.

Who developed PSQI?

Buysse DJ
Buysse DJ, Reynolds CF, Monk TH, Berman SR, Kupfer DJ. The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry Research 1989; 28:193-213. Backhaus J, Junghanns K, Broocks A, Riemann D, Hohagen F.

Who created the PSQI?

Buysse,D.J., Reynolds,C.F., Monk,T.H., Berman,S.R., & Kupfer,D.J. (1989). The Pittsburgh Sleep Quality Index (PSQI): A new instrument for psychiatric research and practice. Psychiatry Research, 28(2), 193-213.

How can I improve my sleep score?

Additional Tips for Better Sleep

1. Improve sleep hygiene: When it comes to improving sleep, it’s important to be consistent.
2. Stay out: Only use the bedroom for sleep and intimacy.
3. Get daytime light: Daylight helps regulate the circadian rhythm.

What is the global PSQI global score of 5?

PSQI global score of 5 was found to identify 84.4% of patients with disorders of initiating and maintain sleep PSQI global score of 5 was found to identify 88% of patients with disorders of excessive somnolence

What is the PSQI?

The PSQI was developed in 1988, by Buysse and his colleagues, to create a standardized measure designed to gather consistent information about the subjective nature of people’s sleep habits and provide a clear index that both clinicians and patients can use.

Is there a relationship between PSQI global score and sleep quality?

Excellent negative correlation between PSQI global score and sleep quality ( r = – 0.76) measured by Sleep, Energy and Appetite Scale where higher scores indicate better sleep quality.

What is the standard cut-point for PSQI global score for clinical significance?

Standard cut-point for clinical significance was >5 for PSQI global score Older Women: (Beaudreau et al. 2012; n = 2968; mean age = 83.4 (3.7) years; 10.3% black women participants, 89.7% white women participants) Mean global PSQI score = 6.3 ± 3.6