Sleep hygiene not working? How CBT-I treats insomnia

Sleep hygiene often doesn’t fix insomnia because, on its own, it isn’t a treatment for it. Tips like a dark room, no screens and no late coffee remove things that disturb sleep, but long-running insomnia is usually kept going by something else: a mind and body that have learned to be alert in bed, and the effort of trying to sleep. The treatment that works on those, cognitive behavioural therapy for insomnia (CBT-I), asks for quite different things, and some of them feel backwards at first.

Why doesn’t sleep hygiene fix insomnia?

Sleep hygiene doesn’t address what keeps most long-running insomnia going. Sleep hygiene removes things that get in the way of sleep, such as caffeine, noise, heat, light and an irregular schedule. Chronic insomnia, by contrast, usually carries on even when all of those are sorted, because what keeps it going is learned alertness, not the bedroom.

In 2021, the American Academy of Sleep Medicine published a guideline on behavioural treatments for chronic insomnia in adults. It recommended CBT-I, and it advised against using sleep hygiene on its own as a treatment. That doesn’t mean the tips are wrong. It means they’re a starting point, not a cure, and that a person who has followed them carefully and still lies awake isn’t doing anything wrong.

On insomnia forums, “sleep hygiene is a hoax” is a common frustration, often from people who have been handed the same list of tips by several professionals. The anger makes sense. Being told to buy blackout blinds when you’ve been awake until 4am for a year can feel like not being listened to.

What was sleep hygiene meant for?

The term was popularised by sleep researcher Peter Hauri in 1977, as a set of habits that support good sleep. It was a list of habits to address before looking further into sleep problems.

For some people, that’s all that’s needed. If you drink coffee at 5pm, sleep in until noon at weekends and work in bed until midnight, changing those can make a real difference. And the tips still matter for people with insomnia, because they remove things that make a hard night harder. Those changes alone can’t undo learned alertness in bed.

What keeps insomnia going once it has started?

Insomnia usually starts for a reason and continues for different reasons. Psychologist Arthur Spielman and colleagues described this in 1987 in what became known as the 3P model:

• Predisposing factors: things that make you more prone to poor sleep, such as being a light sleeper or a worrier.
• Precipitating factors: what set it off, such as a stressful event, an illness, a new baby or a bereavement.
• Perpetuating factors: what you started doing to cope, which then keeps it going after the original trigger has passed.

The perpetuating factors are where sleep hygiene falls short and CBT-I steps in. They tend to look like sensible responses to bad nights:

• Extra time in bed: going to bed earlier or staying later to catch up. That stretches the night and fills it with more time awake.
• Lying awake: staying in bed for long stretches to rest. Over weeks, the brain links the bed with being awake, frustrated and alert.
• Sleep worries: “If I don’t sleep tonight, tomorrow will be a disaster.” That worry wakes the body up just when it needs to settle.
• Napping or cancelling plans: after a bad night, which takes away sleep pressure and good things from the day.
• Watching the clock: counting the hours left and checking a sleep tracker in the morning.

None of these is a mistake. Each one is what most people would do. But together they turn a few weeks of stress-related poor sleep into a pattern that lasts months or years.

Can trying too hard to sleep make it worse?

Yes. Sleep is one of the few things that gets harder the more effort you put in. Falling asleep needs the body and mind to let go, and effort, monitoring and pressure all keep them switched on.

That’s part of why a long list of sleep hygiene rules can backfire for some people. Every rule becomes another thing to get right, and a bedtime routine turns into a performance that is supposed to produce sleep. When it doesn’t, the frustration adds to the alertness.

Sleep trackers can have the same effect. In 2017, sleep researcher Kelly Baron and colleagues described patients whose worry about their tracker data was making their insomnia worse, and called it orthosomnia. A tracker can be interesting, but if checking the numbers each morning sets the mood for the day, it may be worth putting it away for a while.

If you’re not sure how much your sleep trouble is affecting you, or whether it’s more than a rough patch, the insomnia check on Sprout uses the Insomnia Severity Index and takes about two minutes. It asks about the nights and about how much they bother you, and the ISI score ranges explain what the number means. The result is not a diagnosis; only a doctor or sleep specialist can assess a sleep disorder. Taking the test is free; results need Sprout Plus (7 days free).

What does CBT-I do differently?

CBT-I works on the habits and thoughts that keep insomnia going, rather than on the bedroom. It’s a short, structured programme, usually between four and eight sessions, with a therapist, in a group or as a guided online course. The American College of Physicians recommended it in 2016 as the first treatment for chronic insomnia in adults.

It usually combines several parts. What follows describes what they involve, not a plan to follow on your own.

Stimulus control

Developed by psychologist Richard Bootzin in the 1970s, stimulus control aims to make the bed a cue for sleep again. It typically means going to bed only when sleepy rather than just tired, getting up and doing something quiet elsewhere if you can’t sleep, coming back when sleepy, keeping the bed for sleep and sex, and getting up at the same time every day. It’s close to the opposite of “lie there and rest”.

Sleep restriction

Sleep restriction, also developed by Spielman, sounds harsh but works on a simple idea. If you spend nine hours in bed and sleep six, the three hours awake are what keep the problem going. So for a while, time in bed is cut to roughly match the sleep you actually get, with a fixed wake-up time. That builds up sleep pressure, so sleep comes faster and is less broken. As sleep becomes more solid, time in bed is gradually extended.

It often makes people sleepier during the first week or two, which is why it’s best done with someone guiding it. It isn’t suitable for everyone without medical advice, for example people with certain health conditions or with jobs where sleepiness is dangerous, such as driving for a living.

Working with thoughts about sleep

The cognitive part looks at beliefs that add pressure: that you need exactly eight hours, that one bad night ruins the next day, that you’ll never sleep normally again. These aren’t argued away, but tested against your own sleep diary, which often shows that days after poor nights go better than expected.

A sleep diary

Most CBT-I starts with a week or two of a simple diary: when you went to bed, roughly when you fell asleep, when you woke and got up. It shows the real pattern rather than the remembered one and is the basis for setting your time in bed.

Why does CBT-I sometimes feel worse before it gets better?

CBT-I can feel harder at first because it asks you to give up habits that feel protective. Spending less time in bed when you’re already exhausted, or getting up at 2am instead of resting, goes against every instinct. The first week or two can mean more daytime sleepiness, which is why guidance matters and why it’s wise to take care with driving during that time.

The payoff is that the gains tend to last. Sleeping pills can help in the short term, but CBT-I changes the pattern that keeps insomnia going, so its effects often hold after the course ends. That’s one reason guidelines put it first. For anything about medicines, including whether to keep taking something you already use, talk to a doctor about treatment options.

Which sleep hygiene habits are still worth keeping?

A fixed wake-up time, morning daylight, less late caffeine and a calm wind-down still support sleep. Keep habits that help without treating them as a nightly test you must pass.

• A fixed wake-up time. This one matters most. Getting up at the same time every day, weekends included, anchors your body clock.
• Morning daylight. Time outside early helps your body know when it’s day.
• Less caffeine late in the day. Caffeine can delay sleep for hours after a cup.
• Going easy on alcohol. It helps some people drop off, then tends to make sleep lighter and more broken later in the night.
• A wind-down. A calm half hour before bed, as a signal rather than a test. Slow breathing can help; the post on 4-7-8 breathing for bedtime explains one simple method, and the guided breathing practice leads you through it.

If what keeps you up is a mind that won’t stop, the night-time section of quietening an overthinking mind has ideas such as writing worries down earlier in the evening.

When should you see a doctor about sleep?

See a doctor if poor sleep has gone on for more than a few weeks and is affecting your days, and especially if it has lasted three months or more. A doctor can check for things that sometimes sit behind poor sleep, look at any medicines you take, and tell you how to get CBT-I where you live.

Go sooner if:

• someone has noticed loud snoring, gasping or pauses in your breathing at night
• you struggle to stay awake during the day, especially while driving; the Epworth score explained covers that kind of sleepiness
• pain, needing the toilet often or restless legs are waking you
• your mood has been low, or you’ve lost interest in things you usually enjoy

If you’re not sure whether you’re short of sleep or tired for another reason, the post on possible causes of tiredness sorts through sleep, mood, stress and physical causes. And if you want a broader look at your nights over the past month, the PSQI score guide explains a sleep quality questionnaire in seven parts.

What is the next step after sleep hygiene?

A practical first step is to keep a simple sleep diary for a week and take your sleep trouble seriously enough to mention it to a doctor. If you’ve followed the usual tips and still lie awake, that isn’t a failure of willpower or discipline.

Bringing an insomnia check result along can make that conversation easier to start, and asking directly about CBT-I is reasonable. Many people who have struggled for years find their sleep changes when treatment addresses what keeps the insomnia going.