Is the Pittsburgh Sleep Quality Index free?

Pittsburgh Insomnia Rating Scale (PIRS) This copyright in this form is owned by the University of Pittsburgh and may be reprinted without charge only for non-commercial research and educational purposes.

How is sleep quality index measured in Pittsburgh?

The global PSQI score is then calculated by totaling the seven component scores, providing an overall score ranging from 0 to 21, where lower scores denote a healthier sleep quality. Traditionally, the items from the PSQI have been summed to create a total score to measure overall sleep quality.

How many items are in sleep quality index Pittsburgh?

Nineteen individual items generate seven “component” scores: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. The sum of scores for these seven components yields one global score.

Who made Pittsburgh Sleep Quality Index?

The PSQI was developed by Daniel J. Buysse and collaborators to measure quality of sleep and to help discriminate between individuals who experience poor sleep versus individuals who sleep well.

What is the insomnia Severity Index?

The Insomnia Severity Index (ISI) is a brief instrument that was designed to assess the severity of both nighttime and daytime components of insomnia. It is available in several languages and is increasingly used as a metric of treatment response in clinical research.

How can I test my sleep quality?

A sleep tracker can make an educated guess about your sleep stages. But the only way to accurately identify what stage of sleep you are in is to measure brain activity during a clinical sleep study (polysomnography).

How is the ISI scored?

A 5-point Likert scale is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28. The total score is interpreted as follows: absence of insomnia (0–7); sub-threshold insomnia (8–14); moderate insomnia (15–21); and severe insomnia (22–28).

How is sleep hygiene index scored?

The Sleep Hygiene Index (SHI) [18] is a 13-item self-report measure designed to assess the practice of sleep hygiene behaviors. Each item is rated on a five-point scale ranging from 0 (never) to 4 (always). Total scores range from 0 to 52, with a higher score representing poorer sleep hygiene.