Before the first session, you’ll typically be asked to track your sleep times (using a sleep diary) and sleep hygiene. Your clinician will review this in the first session. Sleep diaries are an important part of treatment and help guide progress over the weeks. You’ll also be taught about basic sleep hygiene. Examples of this include limiting caffeine and nicotine, avoiding evening alcohol and liquids, exercising 4-5 hours before bedtime, winding down before bed, limiting “screen time” within an hour of bed and avoiding heavy meals at night.
Stimulus control is another key component. Insomnia patients spend increasingly more time in bed awake than asleep. They sometimes try to force sleep to happen by laying there. Others watch TV in bed, read in bed, or lay there worrying and/or thinking. As a result, the bed becomes associated not only with sleep, but also as a place to be awake. The rule is this: “The bed is only for sleep and sex. If you’re awake and thinking, get up, go to another room and do something until you’re sleepy again.” Although tough to do, it works really well.
Patients with insomnia tend to spend more time laying in bed than they are actually sleeping. With the help of your clinician and based on your sleep diaries, you will be asked to limit your time allowed in bed. This technique, called sleep restriction, limits your time in bed and increases your body’s drive to sleep. As you sleep more soundly during the times you’re allowed in bed, your clinician will teach you how to gradually get more sleep.
Relaxation training is used to help those who are particularly tense at night. Not every patient needs relaxation training, but it can be quite powerful for those who do. There are many different relaxation techniques that can be helpful—from deep breathing to muscle relaxation to visualization. Find what works best for you.
The cognitive component of CBT-I teaches patients to recognize and modify inaccurate thoughts that affect your ability to sleep. For example, many patients have the thought “I must get eight hours of sleep or else I can’t function tomorrow.” This thought creates additional pressure to sleep, putting you in a tense and anxious state—one that does not induce sleep! Your clinician will teach you to challenge the evidence behind these thoughts and break the chain of anxiety that follows.
Clinicians who specialize in CBT-I are typically board certified in Behavioral Sleep Medicine. You can find a listing of these providers at the American Board of Sleep Medicine’s website . If you are unable to find someone in your area, contact your local sleep center to see if they provide these services or can recommend someone who does.
Self-help books offering CBT-I are also available. I highly recommend The Insomnia Answer by Paul Glovinsky and Art Spielman and Quiet your Mind and Get to Sleep by Colleen Carney and Rachel Manber.
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