CBT-I: The First-Line Treatment for Chronic Insomnia (Not Sleeping Pills)

A Treatment Most Patients Have Never Heard Of

Chronic insomnia affects roughly 10–15 percent of adults. Patients suffer through years of poor sleep, often cycling through prescription sleeping pills and over-the-counter aids that work modestly at best and carry meaningful risks.

Cognitive behavioral therapy for insomnia (CBT-I) is more effective than any sleeping pill for chronic insomnia. The American College of Physicians, the American Academy of Sleep Medicine, and other major societies recommend it as first-line treatment for chronic insomnia. Yet most patients with chronic insomnia have never been offered it — they get prescriptions instead.

At Zimmer Medical Group, we discuss CBT-I as the foundation of insomnia treatment and refer to providers and resources that deliver it.

What Chronic Insomnia Is

Chronic insomnia involves:

• Difficulty falling asleep, staying asleep, or waking too early
• Symptoms occurring at least 3 nights per week
• Symptoms persisting at least 3 months
• Daytime consequences — fatigue, mood disturbance, concentration problems, reduced performance

Acute insomnia (lasting less than 3 months) often resolves with addressing the precipitating cause. Chronic insomnia tends to perpetuate itself through behavioral and cognitive patterns that benefit from specific intervention.

Why Pills Are Not First-Line

Common sleep medications include:

Benzodiazepines (Temazepam, Lorazepam, Others)

• Habit-forming with regular use
• Tolerance develops, requiring higher doses
• Dependence and difficult discontinuation
• Increased fall risk in older adults — see our benzodiazepines and older adults article
• Cognitive impairment, particularly memory
• Increased dementia risk with long-term use
• Daytime sedation

Z-Drugs (Zolpidem, Eszopiclone, Zaleplon)

• Similar concerns to benzodiazepines
• Sleep-related complex behaviors (driving, eating, walking while asleep — well-documented with zolpidem)
• Tolerance and dependence
• Memory effects
• Increased fall risk
• Initially marketed as safer than benzodiazepines but evidence has accumulated of similar concerns

Antihistamines (Benadryl, Tylenol PM, Many "Sleep Aids")

• Diphenhydramine and similar compounds
• Significant anticholinergic effects
• Cognitive impairment, particularly in older adults
• Long-term use associated with increased dementia risk
• Tolerance to sedative effect develops quickly
• Can worsen restless legs and other sleep disorders

Melatonin

• Useful for circadian rhythm disorders and jet lag
• Modest effect for primary insomnia
• Generally safe for short-term use
• Long-term safety data limited
• Quality of products varies (it's a supplement, not a regulated medication)

Newer Medications

• Suvorexant, lemborexant, daridorexant — orexin receptor antagonists; less concerning side effect profiles but still recommended as adjunctive rather than first-line
• Trazodone — used widely off-label; modest evidence; daytime sedation common

The fundamental issue: sleeping pills can help short-term sleep but don't change the underlying patterns driving chronic insomnia. When pills are stopped, symptoms typically return.

What CBT-I Actually Is

CBT-I combines several evidence-based components:

Stimulus Control

• Use the bed only for sleep and intimacy (not reading, TV, scrolling)
• Go to bed only when sleepy
• If unable to sleep within about 20 minutes, get out of bed and do something quiet until sleepy
• Get up at the same time every morning regardless of sleep quality
• No daytime napping (or very brief, very early naps)

Sleep Restriction (Sleep Compression)

This is often the most powerful component:

• Calculate average actual sleep time over 1–2 weeks
• Restrict time in bed to that amount (with a minimum of 5 hours)
• This temporarily creates sleep debt, building sleep pressure
• As sleep efficiency improves, time in bed is gradually extended
• Often produces dramatic improvement within 2–4 weeks

Cognitive Restructuring

• Address unhelpful beliefs about sleep
• "I must get 8 hours or I'll be miserable tomorrow"
• "If I don't sleep tonight, I'll fall apart"
• "I have to make up for last night's poor sleep"
• These thoughts increase arousal and worsen insomnia

Sleep Hygiene Education

• Comfortable sleep environment
• Avoid caffeine in the afternoon
• Limit alcohol (disrupts sleep architecture)
• Exercise regularly (but not late evening)
• Wind-down period before bed
• Address light exposure (bright light morning, dim evening)

See our sleep hygiene article for more detail.

Relaxation Training

• Progressive muscle relaxation
• Diaphragmatic breathing
• Mindfulness-based techniques
• Address racing mind at bedtime

How CBT-I Works in Practice

A typical CBT-I program:

• 4–8 sessions over 6–12 weeks
• Initial assessment
• Sleep diary tracking throughout
• Weekly adjustments based on diary data
• Behavioral changes implemented progressively
• Cognitive work integrated throughout
• Tapering of any sleep medications often part of the process

Where to Access CBT-I

In-Person Therapy

• Behavioral sleep medicine specialists
• Some psychologists trained in CBT-I
• Some sleep centers
• May be limited in availability in some areas

Telehealth CBT-I

• Increasingly available
• Same evidence base as in-person
• More accessible

Digital CBT-I

• App-based and online programs with strong evidence
• Sleepio — extensively studied; available in some healthcare systems
• Somryst — FDA-cleared prescription digital therapeutic
• CBT-I Coach app — developed by VA; free; effective for many patients
• Sleep Reset, Restore, others — various commercial options

Digital CBT-I is increasingly viewed as an excellent first-line option, particularly when in-person therapy isn't accessible.

Self-Guided Programs

• Books like "Quiet Your Mind and Get to Sleep" by Carney and Manber
• "Say Good Night to Insomnia" by Jacobs
• Workbooks and structured programs

Self-guided CBT-I works for motivated patients but often less effective than therapist-guided.

What to Expect

The honest realities of CBT-I:

• Sleep restriction often makes things worse before they get better — patients may feel more tired in the first 1–2 weeks; this is part of the mechanism
• Improvement typically begins within 2–4 weeks
• Significant improvement by 6–8 weeks is typical
• Effects persist long-term — unlike medications, gains tend to be sustained
• Requires commitment — daily implementation of recommendations
• Effective for the majority of patients — including those who have failed multiple medications

When Medications Are Reasonable

Despite CBT-I being first-line, medications have a role:

• Short-term use during acute stress
• Bridge therapy while accessing CBT-I
• Patients who can't access CBT-I
• Selected long-term use in patients who have failed other approaches
• When combined with CBT-I

The goal should usually be the lowest effective dose for the shortest reasonable duration, with regular reassessment.

Special Considerations

Older Adults

• Particularly important to avoid Z-drugs and benzodiazepines (fall risk, cognitive effects)
• CBT-I works as well or better in older adults
• Address underlying causes (sleep apnea, restless legs, nighttime urination, pain)
• Address natural age-related changes in sleep architecture

Patients on Existing Sleep Medications

• CBT-I can include planned medication tapering
• Don't stop benzodiazepines abruptly
• Coordinate with prescribing physician
• See our benzodiazepine deprescribing article

Patients with Coexisting Conditions

CBT-I works for insomnia coexisting with:

• Depression and anxiety
• Chronic pain
• Substance use
• Other sleep disorders (after addressing primary disorder)

Treating insomnia often improves coexisting conditions too.

What Else to Address

• Sleep apnea — must be ruled out in patients with insomnia
• Restless legs syndrome — see our RLS article
• Mental health conditions — depression, anxiety
• Pain conditions
• Medication-related sleep disturbance
• Substance use — alcohol, caffeine, others
• Circadian rhythm disorders

When to See Your Doctor

• Insomnia persisting more than 3 months
• Daytime impact from poor sleep
• Insomnia with snoring, gasping, or other features suggesting sleep apnea
• Insomnia with leg discomfort suggesting restless legs
• Currently using sleep medications and wanting to consider alternatives
• Looking for CBT-I resources and referrals

The American Academy of Sleep Medicine and the Society of Behavioral Sleep Medicine provide additional resources for accessing evidence-based insomnia care.

Chronic insomnia not adequately addressed by medications? Contact Zimmer Medical Group for an evaluation, CBT-I referral, and a thoughtful approach to deprescribing sleep medications when appropriate.