Insomnia Severity Index, ISI

Test scores

Insomnia Severity Index
7][814][1521][2228][0
8
[ subthreshold insomnia ]

Higher scores indicate more acute symptoms of insomnia.


Total score categories:

• 0-7 : No clinically significant insomnia

• 8-14 : Subthreshold insomnia

• 15-21 : Clinical insomnia (moderate severity)

• 22-28 : Clinical insomnia (severe)

References

sleep insomnia