ISI
Insomnia Test
A validated tool for assessing the severity of insomnia symptoms. Rate your sleep difficulties over the last 2 weeks.
Private by default
No account
Start without a profile.
No transfer
Answers stay out of checkout.
Result first
Read the score before options.
How it works
Start
Open the focused modal.
Answer
Use today’s signal only.
Next
Choose support or guide.
About the ISI
Self-check details
What it checks
The Insomnia Severity Index (ISI) is a brief, validated instrument that measures the perceived severity of insomnia. It evaluates difficulty falling asleep, staying asleep, early awakening, sleep satisfaction, interference with daily functioning, noticeability, and distress.
The ISI is widely used in sleep research and clinical practice. It is a recommended outcome measure by the American Academy of Sleep Medicine for evaluating insomnia treatment effectiveness.
Scoring
Source
Morin CM, Belleville G, Bélanger L, Ivers H. The Insomnia Severity Index: psychometric indicators to detect insomnia cases and evaluate treatment response. Sleep. 2011;34(5):601-608.
Frequently Asked Questions
What is the ISI?
The ISI (Insomnia Severity Index) is a 7-item validated instrument that measures the perceived severity of insomnia, including difficulty falling asleep, staying asleep, and the impact on daily life.
What is considered clinical insomnia?
A score of 15 or above on the ISI indicates moderate clinical insomnia. Scores of 22–28 indicate severe insomnia.
What is the best treatment for insomnia?
Cognitive Behavioral Therapy for Insomnia (CBT-I) is the first-line treatment recommended by the American Academy of Sleep Medicine. It is more effective long-term than medication.
Get one private result.
Start with this self-check. Keep the result yours.