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

Complete absence of any nighttime awakening

Answer

Total sleep time of 8 or more hours nightly

Answer

Patient report of feeling fully rested every morning

Question 2

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

Accepted Answer

6-12 months post-treatment

Answer

2 weeks post-treatment

Answer

5 years post-treatment

Answer

Daily for the first year

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

Total sleep time

Answer

Number of awakenings only

Answer

Daytime napping behavior

Question 4

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

Accepted Answer

Greater treatment adherence

Answer

Younger age

Answer

Higher baseline insomnia severity

Answer

Lower baseline anxiety

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

Reduced homeostatic drive

Answer

Circadian phase delay

Answer

REM sleep abnormalities

Question 6

In comparing CBT-I alone to sleep medication combined with CBT-I, research generally finds:

Accepted Answer

CBT-I alone and combination therapy produce similar long-term outcomes, with some studies favoring CBT-I alone

Answer

Combined treatment is always superior in long-term follow-up

Answer

Medication alone is superior at 12 months

Answer

Combined therapy is significantly worse due to medication dependence