Sleep deprivation is a form of suffering that accumulates slowly and affects everything. By the time most people seek help, they've been managing poor sleep for months or years—working through exhaustion, propping themselves up with caffeine, developing increasingly elaborate bedtime rituals, and feeling profoundly alone in something that happens only in the dark.

What many people don't know is that talking therapy—specifically a form called cognitive behavioural therapy for insomnia (CBT-I)—is now the first-line recommended treatment for chronic insomnia, ahead of sleep medication. This guide explains how CBT-I works, what other therapy approaches might help with sleep, and whether therapy for insomnia might be right for you.

Understanding Insomnia: More Than Just "Not Sleeping"

Insomnia is defined as difficulty falling asleep, staying asleep, or waking too early on three or more nights per week, for three or more months, despite adequate opportunity for sleep. Chronic insomnia affects around one in ten adults in the UK.

But insomnia is more complex than the simple absence of sleep. Once it becomes chronic, a set of psychological and behavioural factors develop that maintain the problem independently of whatever originally caused it. Even when the original trigger is resolved—a period of stress, illness, a difficult life event—the insomnia continues, because the maintaining factors are now well-established.

These maintaining factors include:

Conditioned arousal: The bedroom and bedtime become associated with wakefulness and anxiety rather than sleep
Safety behaviours: Napping, going to bed early, lying in, alcohol—strategies that feel helpful in the moment but maintain the problem
Hyperarousal: The mind becomes vigilant for sleep-related threat, making genuine relaxation difficult
Unhelpful beliefs about sleep: "I need eight hours or I can't function," "I'm not capable of sleeping properly," catastrophic interpretations of poor sleep

These patterns are exactly what CBT-I is designed to address.

What Is CBT-I?

Cognitive behavioural therapy for insomnia (CBT-I) is a structured psychological treatment that addresses both the thought patterns and behaviours that perpetuate chronic insomnia. It's based on well-established research, recommended by NICE (National Institute for Health and Care Excellence), and has been shown in multiple studies to be more effective than sleep medication for chronic insomnia—with effects that last much longer.

CBT-I is typically delivered in 4–8 sessions, either individually or in groups. It has several components:

Sleep Restriction Therapy

Counterintuitively, the most powerful component of CBT-I is often reducing the time spent in bed rather than increasing it. Sleep restriction involves temporarily compressing sleep to build up sleep pressure—the biological drive to sleep that makes it easier to fall asleep and stay asleep.

A typical starting point is calculating your average actual sleep time (which is usually significantly less than time spent in bed) and using that as the initial time-in-bed allowance. As sleep efficiency improves, time in bed is gradually extended.

Sleep restriction is challenging—the early stages involve more sleepiness than you're already experiencing. But it's among the most effective interventions for insomnia and works quickly when implemented consistently.

Stimulus Control

Stimulus control addresses the conditioned association between the bed and wakefulness. The guidelines are:

Use the bed only for sleep and sex (not reading, screens, worrying)
Get out of bed if you can't sleep after approximately 20 minutes
Get up at the same time every morning regardless of how you slept
Avoid napping

These instructions disrupt the pattern of lying awake in bed, which has trained the nervous system to associate bed with alertness rather than sleep.

Cognitive Restructuring

CBT-I also addresses the thoughts and beliefs about sleep that maintain hyperarousal. Common targets include:

Catastrophising about the consequences of poor sleep
Unrealistic expectations about how much sleep is needed
Misattributing difficulties during the day entirely to sleep
The "sleep effort paradox"—the harder you try to sleep, the less you sleep

Cognitive restructuring doesn't argue with these thoughts so much as examine their accuracy and usefulness, developing more balanced and workable perspectives.

Relaxation Techniques

Progressive muscle relaxation, controlled breathing, and imagery-based relaxation are often included as tools to reduce physiological arousal at bedtime. These work best when combined with the other components rather than as standalone techniques.

Sleep Hygiene

Sleep hygiene—the practical environmental and behavioural factors that support sleep (consistent wake times, avoiding caffeine, appropriate light and temperature)—is typically included. It's the least potent component of CBT-I on its own but helps create conditions where the other work can be effective.

Beyond CBT-I: Other Therapy Approaches for Sleep

Mindfulness-Based Therapy for Insomnia (MBT-I)

Mindfulness-based approaches to insomnia draw on the same principles as MBSR and MBCT (mindfulness-based cognitive therapy), applied specifically to sleep. Rather than reducing wakefulness at night through restriction and stimulus control, MBT-I develops a more accepting, less reactive relationship with wakefulness itself.

Many people with insomnia spend their wakeful night hours in a state of distressed struggling—fighting wakefulness, desperately trying to sleep, catastrophising about the morning. Mindfulness approaches cultivate the capacity to be awake without the struggle—to observe experience (including wakefulness) with curiosity rather than alarm.

MBT-I can be particularly helpful alongside CBT-I or for people who've found CBT-I's behavioural components too difficult, and is well-suited to people who tend toward rumination and anxiety.

Humanistic Therapy and Sleep

For many people, insomnia is intimately connected to anxiety, stress, unprocessed emotion, or life circumstances that aren't working. The mind that races at 3am is often carrying something—worry, grief, unexpressed feeling, unresolved conflict—that hasn't found another outlet.

In these cases, addressing the underlying emotional material in humanistic or person-centred therapy may be as or more important than the behavioural sleep work. Good therapy for insomnia considers the whole person and the whole context, not just the sleep metrics.

Sometimes the most useful question isn't "how can I sleep better" but "what is my mind trying to process at 3am that it hasn't been able to address during the day?"

ACT for Insomnia

Acceptance and Commitment Therapy (ACT) applied to insomnia focuses on reducing struggle with sleep—the experiential avoidance and catastrophising that amplify insomnia's impact—while building commitment to a life that is meaningful regardless of sleep quality.

ACT for insomnia is less about fixing sleep and more about reducing the suffering insomnia causes by changing the relationship with wakefulness and tiredness. It can be particularly useful when insomnia is longstanding and has significantly constrained life choices.

What to Expect If You Seek Therapy for Insomnia

If you approach a therapist specifically for insomnia, a good first step is a thorough assessment. This will explore:

Sleep patterns in detail (a sleep diary is often requested before or during the first session)
When and how insomnia developed
Current sleep schedule, napping patterns, and habits
What you do when you can't sleep
The emotional context—anxiety, depression, stress, life circumstances
Your current beliefs and relationship with sleep

This assessment shapes the specific approach. Not everyone needs every component of CBT-I; tailoring the work to your specific maintaining factors and life circumstances makes it more effective.

Treatment is typically active and structured—more so than open-ended talking therapy. You'll have things to do between sessions, and monitoring your sleep with a diary is usually part of it. The first few weeks often feel harder before they get easier, particularly if sleep restriction is part of the work.

Most people see meaningful improvement within 6–8 weeks of consistent CBT-I implementation. The improvements tend to be durable—unlike medication, which often loses effectiveness and can cause rebound insomnia when stopped.

When Therapy May Not Be Enough Alone

If insomnia is accompanied by other significant mental health difficulties—particularly depression or anxiety—those should be addressed alongside or before sleep-specific work. Insomnia often both causes and is caused by depression and anxiety, and the relationship between them needs to be considered.

If there's a specific sleep disorder (sleep apnoea, restless legs syndrome, circadian rhythm disorders) contributing to the insomnia, medical assessment is appropriate before or alongside psychological treatment.

Your GP is a good first port of call to rule out medical contributions to poor sleep, and to discuss options including referral for psychological support.

Practical Steps

If you're struggling with sleep and want to explore therapy:

Keep a sleep diary for two weeks: Recording what time you go to bed, when you sleep and wake, what happens when you're awake, and how you feel the next day gives a therapist (and you) the most accurate picture.
Explore CBT-I self-help: The book Overcoming Insomnia by Colin Espie (part of the Overcoming series) is an excellent CBT-I self-help resource. Sleepio, an online CBT-I programme developed by Prof Espie, is now available free through some NHS trusts.
Talk to your GP: Particularly if you think there may be medical contributions to your sleep problems, or if you want to explore sleep assessment.
Find a therapist: Look for explicit CBT-I training or experience with insomnia. BACP's Find a Therapist directory allows you to search by specialism.

Sleep problems often sit alongside anxiety, depression, or other difficulties that therapy can address. I work from a humanistic, integrative perspective with people whose poor sleep is connected to anxiety, stress, or unexpressed emotional material. Get in touch for a free 15-minute consultation to discuss whether therapeutic support might help.

Therapy for Insomnia and Sleep Problems: How Talking Therapy Can Help You Sleep