SCI Normative Values

The Sleep Condition Indicator (SCI) is a brief 8-item scale which measures sleep problems against the DSM-5 criteria for insomnia disorder. The SCI is valid, reliable and sensitive to change (Espie et al, 2014, Luik et al, 2017). Completing the SCI on this page allows for comparison with a group of individuals matched on sex and age.

Thinking about a typical night in the last month...

Thinking about the past month, to what extent has poor sleep...

Finally...