CBT-I CBT-I Treatment Outcomes & Research Evidence 2

Question 1

Remission from insomnia after CBT-I is typically defined as:

Accepted Answer

ISI score at or below 7 and sleep efficiency above 85%

Answer

Remission criteria typically include an ISI below the clinical threshold (≤7) and/or sleep efficiency exceeding 85%.

Question 2

Long-term follow-up studies of CBT-I typically assess durability of outcomes at:

Accepted Answer

6-12 months post-treatment

Answer

Most CBT-I trials assess durability at 6 and 12 months post-treatment, with some studies extending to 2 years.

Question 3

Meta-analyses on CBT-I consistently show the largest effect sizes for:

Accepted Answer

Sleep onset latency and wake after sleep onset

Answer

Effect sizes for SOL and WASO are consistently the largest in CBT-I meta-analyses, reflecting the treatment's strong impact on nighttime wakefulness.

Question 4

Which predictor most consistently predicts better CBT-I outcomes in research studies?

Accepted Answer

Greater treatment adherence

Answer

Treatment adherence — particularly consistent use of sleep restriction and stimulus control — is the strongest predictor of CBT-I success.

Question 5

The Harvey cognitive model of insomnia identifies which maintaining factor as central?

Accepted Answer

Selective attention and monitoring for sleep-related threats

Answer

Harvey's cognitive model posits that selective attention to sleep-related cues and threats perpetuates arousal and maintains insomnia.

(CBT-I) CBT Insomnia Certification Practice Test