Sleep

Insomnia Severity Index

The ISI measures the nature, severity, and impact of your sleep difficulties over the past two weeks — from trouble falling asleep to daytime functioning.

About 3 minutes · 7 questions · free private preview, no account needed.

Sample question: How severe is your difficulty falling asleep?

Start the Insomnia Severity Index · Browse all tests

For personal reflection only. Not a clinical tool, not a diagnosis.