The gold-standard treatment for sleep problems

Lying awake at 3 AM, watching the clock and calculating how little sleep you’ll get—again. Dreading bedtime because you know the struggle that awaits. Dragging through days exhausted but somehow unable to sleep when night comes. If this sounds familiar, you’re not alone. Chronic insomnia affects around 10% of adults and significantly impacts quality of life.
The good news? There’s a treatment that works better than sleeping pills, with no side effects and lasting results. CBT-I (Cognitive Behavioural Therapy for Insomnia) is recognised worldwide as the most effective treatment for chronic insomnia. At Clarity Psychology, our Melbourne psychologists help people break free from insomnia and rediscover restful sleep.
What is CBT-I?
CBT-I is a structured program that addresses the thoughts and behaviours that perpetuate insomnia. While sleeping difficulties might start from stress, illness, or life changes, they often persist because of what we do in response. The strategies we use to cope with poor sleep—spending more time in bed, napping, worrying about sleep—often backfire and maintain the problem.
CBT-I works by identifying and changing these unhelpful patterns. It typically involves 4-8 sessions and addresses both the behavioural habits that interfere with sleep and the anxious thoughts that keep your mind racing at night.
Unlike sleeping pills, which work only while you’re taking them (and often become less effective over time), CBT-I produces improvements that last. Most people who complete CBT-I maintain their gains years later.

Understanding Chronic Insomnia
Insomnia becomes chronic when it persists beyond any initial trigger. Here’s how it typically develops:
The Trigger
Something disrupts your sleep—stress at work, illness, a new baby, travel across time zones. At this stage, poor sleep is a normal response.
Unhelpful Responses
To cope with tiredness, you might go to bed earlier, sleep in when possible, nap during the day, lie in bed resting even when not sleeping, cut back on activities, or worry about the consequences of not sleeping.
The Maintenance Cycle
These understandable responses actually maintain the problem. Spending more time in bed weakens the association between bed and sleep. Irregular schedules disrupt your body clock. Worrying about sleep creates arousal that prevents sleep. Your bedroom becomes a place of frustration rather than rest.
Chronic Insomnia
The original trigger may have passed, but the patterns you developed in response now keep insomnia going. You’re caught in a self-perpetuating cycle.
The Components of CBT-I
CBT-I addresses insomnia through several evidence-based strategies:
Sleep Education
Understanding how sleep works helps you make sense of CBT-I recommendations. You’ll learn about sleep drive (the pressure to sleep that builds the longer you’re awake), the circadian rhythm (your internal body clock), and sleep architecture (the cycles of sleep stages throughout the night). This knowledge empowers you to make informed choices.
Sleep Restriction
Perhaps the most powerful component, sleep restriction limits time in bed to match actual sleep time. If you’re only sleeping 5 hours despite spending 8 hours in bed, you might initially limit your time in bed to 5.5 hours. This builds sleep pressure and consolidates sleep, making it more efficient. As sleep improves, time in bed is gradually increased.
This technique sounds counterintuitive and can be challenging initially, but it’s remarkably effective. It’s like building up an appetite for sleep.
Stimulus Control
These rules strengthen the association between bed and sleep:
- Go to bed only when sleepy
- Use the bed only for sleep (and intimacy)
- If unable to sleep after about 20 minutes, get up and do something relaxing until sleepy
- Get up at the same time every day, regardless of how you slept
- No napping
Cognitive Restructuring
Anxious thoughts about sleep often become self-fulfilling prophecies. Beliefs like “I need 8 hours or I can’t function,” “I’ll never be able to sleep normally,” or “Tomorrow will be terrible if I don’t sleep tonight” create arousal that prevents sleep.
Your therapist will help you identify and challenge these thoughts, developing more realistic and less anxiety-provoking perspectives.
Relaxation Training
While relaxation alone rarely cures insomnia, relaxation techniques (progressive muscle relaxation, breathing exercises, or mindfulness) can reduce the physical arousal that interferes with sleep.
Sleep Hygiene
General recommendations about factors affecting sleep—caffeine, alcohol, exercise, bedroom environment—are reviewed. While sleep hygiene alone is rarely sufficient for chronic insomnia, it provides a foundation for other interventions.
What to Expect in CBT-I Treatment
Assessment
Your first session involves detailed assessment of your sleep patterns, history, and any factors that might be contributing. You may be asked to keep a sleep diary for a week or two before treatment begins.
Sleep Diary
Throughout treatment, you’ll keep a daily record of sleep patterns—when you went to bed, how long it took to fall asleep, night-time awakenings, and wake time. This data guides treatment decisions.
Structured Sessions
CBT-I is typically delivered in 4-8 sessions over 6-8 weeks. Each session reviews your sleep diary, addresses challenges, and introduces new strategies. Sessions are practical and focused.
Initial Worsening
Sleep restriction in particular can cause temporary increased tiredness in the first week or two. This is normal and expected—it’s part of building the sleep pressure that will ultimately improve your sleep. Your therapist will support you through this period.
Gradual Improvement
Most people see significant improvement within 2-4 weeks of starting treatment, with continued gains as treatment progresses.
The Evidence for CBT-I
CBT-I is the most evidence-based treatment for chronic insomnia. Key findings include: meta-analyses showing large effect sizes for sleep onset, time awake at night, and sleep efficiency, evidence that CBT-I is more effective than sleeping pills, with benefits that persist long after treatment ends, recommendations from the American Academy of Sleep Medicine, American College of Physicians, and other major bodies that CBT-I should be the first-line treatment for chronic insomnia (before medication), and effectiveness across diverse populations, including older adults, people with chronic pain, and those with depression.
Despite this strong evidence, CBT-I remains underutilised. Many people suffer with insomnia for years or become dependent on sleeping pills when effective treatment is available.
Is CBT-I Right for You?
CBT-I is appropriate for most adults with chronic insomnia—difficulty sleeping at least three nights per week for three months or more. It works regardless of how long you’ve had insomnia or how many other treatments have failed.
CBT-I may be particularly helpful if you’ve had insomnia for months or years, if you’re taking sleeping pills and want to stop, if you lie awake worrying about sleep, if you spend excessive time in bed, or if you have irregular sleep schedules.
Before starting CBT-I, it’s important to rule out other sleep disorders (like sleep apnoea) and medical conditions that might affect sleep. Your therapist may recommend consultation with a sleep physician if indicated.
Some components of CBT-I (particularly sleep restriction) may need modification for people with certain conditions such as bipolar disorder, epilepsy, or extreme daytime sleepiness. Your therapist will assess your suitability and adapt treatment as needed.
CBT-I at Clarity Psychology
Our psychologists at Clarity Psychology are trained in CBT-I and understand how profoundly insomnia affects quality of life. We provide clear, evidence-based treatment that helps you break free from the insomnia cycle and rediscover restful sleep.
If you’ve been struggling with sleep, there’s no need to continue suffering. CBT-I works, and we’re here to guide you through it.
Ready to sleep better?
Book an appointment to begin CBT-I and take the first step toward restful nights and refreshed days.
Related Treatments: CBT, Mindfulness, ACT
