Sleep Quality Questionnaire Test
How the Scales are Structured
Who Usually Takes This Test?
See How You Compare
Below is a preview of how scores are typically distributed across each scale.
Example Questions From the Test
- Immediately
- Not long
- Moderate
- Long
- Very long
- Very long
- Long
- Average
- Short
- Very short
- None
- Rarely
- Not often
- Often
- Very often
Sleep Quality Questionnaire Test - Description and methodology of the test
People who want to understand whether their sleep feels restorative can use the Sleep Quality Questionnaire Test as a focused self-report check. It is suited to anyone reviewing recent experiences such as delayed sleep onset, interrupted nights, disturbing dreams, or poor morning waking quality. The six questions provide a sleep quality assessment that describes the apparent quality of the person's sleep.
What This Assessment Explores
The assessment focuses on overall sleep quality rather than laboratory measurement. It suits people reviewing sleep patterns that may affect how rested they feel. The items ask about several experiences that contribute to the single result.
The question areas are:
- Sleep onset shows how readily sleep begins.
- Sleep duration and awakenings indicate whether the night feels long enough and uninterrupted.
- Overall sleep quality captures the broad judgment of the night.
- Dream experience records frequency and distress.
- Waking feelings describe how the person feels in the morning.
The result appears on the Sleep Quality Scale, ranging from 6-30. Potential sleep problems covers 6-18; Borderline covers 19-21; Typical for healthy sleep covers 22-30. The scale assesses overall sleep quality, indicates possible sleep disturbances, and estimates their severity.
Methodology and Scientific Basis
Each item offers five ordered choices. Depending on the topic, options move from immediate or excellent experiences toward longer delays, poorer experiences, or more frequent disruption. This format captures degree rather than a yes-or-no answer.
The questionnaire reports a result on the displayed scale. Because no item-level point rule is stated, the result should be interpreted through the displayed bands rather than by assuming how many points an answer contributes. This sleep quality score summarizes the selected responses without establishing a separate clinical measure.
The questionnaire's author list corresponds to the team behind the Pittsburgh Sleep Quality Index, a published instrument developed by Buysse and colleagues. The six-item online form may be a shortening or adaptation, so it should not be assumed identical to the full PSQI.
Self-report answers can be influenced by current context, memory, expectations, and response bias. The result can flag a pattern worth examining, but it cannot by itself establish a clinical diagnosis.
- Levin Y. I., Eligulashvili T. S., Posokhov S. I., Kovrov G. V., Bashmakov M. Yu. Pharmacotherapy of Insomnia: Role of Imovan. In: Alexandrovsky Yu. A., Vein A. M., editors. Sleep Disorders. St. Petersburg: Medical Information Agency; 1995.
- Gortseva A. Yu., Korostovtseva L. S., Bochkarev M. V., Sviryaev Yu. V., Konradi A. O. The Role of Subjective Methods for the Evaluation of Sleep Quality. S.S. Korsakov Journal of Neurology and Psychiatry. 2017;117(4-2):34-41. 10.17116/jnevro20171174234-41.
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