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Sleep Condition Indicator (SCI)

The SCI is a brief scale designed to evaluate insomnia disorder.The SCI is a brief scale designed to evaluate insomnia disorder.

Administration type: Self-report Timeframe:

Past month.

Approx time: 0-5 minutes

Access information:

Espie, C. A., Kyle, S. D., Hames, P., Gardani, M., Fleming, L., & Cape, J. (2014). The Sleep Condition Indicator: A clinical screening tool to evaluate insomnia disorder. BMJ Open, 4(3), e004183. https://dx.doi.org/10.1136/bmjopen-2013-004183

Free to Use?

Yes, the SCI is free to use for personal work and/or research, not-for-profit work, or other non-commercial purposes.

License details:

Please contact Professor Espie (colin.espie@ndcn.ox.ac.uk) to request permission to use the SCI.

Another paper describing the development of a brief 2-item pre-screener: https://doi.org/10.3399/bjgp19X701045

The scale is also available in French, Italian, and Persian.