CBT-I Sleep Restriction & Stimulus Control Therapy 2 — Questions and Answers
Question 1: What is the primary theoretical basis of stimulus control therapy for insomnia?
- Operant conditioning: sleep is reinforced by removing aversive wakefulness experiences
- Cognitive restructuring: maladaptive beliefs about sleep are challenged and modified
- Classical conditioning: the bed has become a conditioned stimulus for wakefulness and arousal (Correct answer)
- Behavioral activation: increasing daytime activity strengthens the homeostatic sleep drive
Correct answer: Classical conditioning: the bed has become a conditioned stimulus for wakefulness and arousal
Stimulus control therapy is grounded in classical conditioning—through repeated pairing with wakefulness and arousal, the bed and bedroom have become conditioned cues for alertness rather than sleep.
Question 2: Which of the following is a core instruction of stimulus control therapy?
- Take a 20-minute afternoon nap to supplement insufficient nighttime sleep
- Go to bed only when genuinely sleepy, not simply because it is your usual bedtime (Correct answer)
- Stay in bed and rest quietly if you are unable to fall asleep, to avoid stimulating yourself further
- Use the bedroom for calming activities like light reading to associate it with relaxation
Correct answer: Go to bed only when genuinely sleepy, not simply because it is your usual bedtime
Going to bed only when sleepy ensures the sleep environment is paired with sleep onset rather than prolonged wakefulness, directly targeting the conditioned arousal pattern.
Question 3: According to stimulus control therapy, what should a patient do if they are unable to fall asleep or return to sleep within approximately 15-20 minutes?
- Take a prescribed sleep aid medication to facilitate sleep onset
- Practice progressive muscle relaxation while remaining in bed until drowsy
- Get out of bed and go to another room, engaging in quiet activity until sleepy (Correct answer)
- Turn on a very dim light and read in bed until feeling sufficiently drowsy
Correct answer: Get out of bed and go to another room, engaging in quiet activity until sleepy
Leaving the bed and bedroom when unable to sleep prevents further pairing of the sleep environment with wakefulness, gradually extinguishing the conditioned arousal response.
Question 4: Why does stimulus control therapy restrict the use of the bed to sleep and sex only?
- To reduce physical discomfort caused by spending excessive time in bed
- To strengthen the conditioned association between the bed and the sleepy state (Correct answer)
- To decrease overall TIB and build homeostatic sleep pressure as in sleep restriction
- To prevent the body temperature dysregulation caused by prolonged mattress contact
Correct answer: To strengthen the conditioned association between the bed and the sleepy state
Restricting bed use to sleep (and sex) ensures that the bed functions as a strong, reliable conditioned stimulus for sleepiness rather than for wakefulness or other arousal states.
Question 5: Which of the following patient behaviors is most problematic from a stimulus control perspective?
- Drinking a glass of water at the bedside table before attempting sleep
- Watching television in bed for 90 minutes before attempting to fall asleep (Correct answer)
- Reading a novel in a living room recliner for 20 minutes before going to bed
- Taking a warm bath approximately 90 minutes before the target bedtime
Correct answer: Watching television in bed for 90 minutes before attempting to fall asleep
Watching television in bed directly pairs the sleep environment with an alerting, stimulating activity, reinforcing the conditioned association between bed and wakefulness.
Question 6: What role does maintaining a consistent rise time play in stimulus control therapy?
- It increases morning melatonin secretion to improve evening sleep onset
- It anchors the circadian rhythm and helps regularize the sleep-wake cycle (Correct answer)
- It compensates for lost nighttime sleep by ensuring adequate morning rest
- It reduces morning anticipatory anxiety by providing a predictable daily schedule
Correct answer: It anchors the circadian rhythm and helps regularize the sleep-wake cycle
A fixed, consistent rise time serves as a zeitgeber that anchors the circadian clock, providing a reliable cue that regularizes sleep timing and strengthens the drive for sleep at the appropriate hour.
Question 7: A patient asks whether they can listen to a relaxing podcast in bed before sleeping. As a CBT-I therapist applying stimulus control principles, what is the most appropriate response?
- Allow it, since relaxation is a key facilitator of sleep onset
- Permit it only if the content is non-stimulating and the volume is low
- Discourage it, as listening in bed pairs the sleep environment with a non-sleep activity (Correct answer)
- Recommend using earphones so the device itself is kept outside the bedroom
Correct answer: Discourage it, as listening in bed pairs the sleep environment with a non-sleep activity
Engaging in any non-sleep activity in bed—even a relaxing one—undermines stimulus control by conditioning the sleep environment to wakefulness rather than sleep.
CBT-I Sleep Restriction & Stimulus Control Therapy 2
What is the primary theoretical basis of stimulus control therapy for insomnia?