Managing Insomnia Without Medication

Most insomnia begins with an acute trigger — stress, illness, travel, a life event — that causes a few nights of poor sleep. This is normal. The problem arises when the person's response to those initial poor nights creates new perpetuating factors that keep insomnia going long after the original trigger has resolved.

Spielman's 3P model describes insomnia's development through three factors:

Factor	Description	Examples
Predisposing	Background vulnerability to insomnia	Anxious temperament, genetic sensitivity, female sex
Precipitating	Trigger that starts the insomnia	Job stress, bereavement, illness, new baby
Perpetuating	Behaviours and thoughts that maintain insomnia after trigger resolves	Spending more time in bed, daytime napping, catastrophising about sleep

CBT-I targets the perpetuating factors specifically — these are what keep chronic insomnia alive. The most common perpetuating factors are conditioned arousal (the bed becoming associated with wakefulness) and sleep effort (trying too hard to sleep, which paradoxically increases arousal).

Tip: You cannot force sleep any more than you can force a sneeze. Sleep is a passive process that occurs when conditions are right. CBT-I creates the right conditions; trying hard to sleep makes conditions worse.

Stimulus control therapy, developed by Richard Bootzin in 1972, is based on the behavioural principle of classical conditioning. In chronic insomnia, the bed becomes associated with wakefulness, arousal, and anxiety rather than sleepiness — through repeated pairing. Stimulus control re-establishes the bed as a strong cue for sleep.

The rules of stimulus control therapy:

• Use the bed only for sleep and sex — not reading, screens, eating, working, or worrying in bed
• Only go to bed when sleepy (not just tired or at a set time) — sleepiness is the specific biological drive, not general fatigue
• If unable to sleep within approximately 20 minutes, get up — go to another room and do something calm until sleepy, then return
• Get up at the same time every morning regardless of when or how you slept
• Avoid daytime napping during the treatment period

Warning: The instruction to get out of bed when not sleeping feels counterintuitive and temporarily uncomfortable. Most people resist it most strongly on the first 3–7 nights — which is exactly when it is doing its most important work.

Sleep restriction therapy (SRT), developed by Arthur Spielman, is the most powerful component of CBT-I and the most counterintuitive. It involves temporarily reducing the time allowed in bed to match actual sleep time — creating a deliberate, short-term sleep deprivation that builds sleep pressure and consolidates fragmented sleep.

How it works:

• Calculate your average total sleep time from a one-to-two-week sleep diary (e.g., 5 hours)
• Set a fixed wake time (e.g., 7am) and calculate the earliest permissible bedtime (e.g., 2am for 5 hours)
• Do not go to bed before that time, regardless of tiredness
• As sleep efficiency improves (target: >85% of time in bed asleep), extend the window by 15–30 minutes per week

Week	Target Time in Bed	If Efficiency >85%	If Efficiency <80%
1	Matches average sleep time (e.g., 5 hrs)	Add 15–30 min next week	Hold or reduce window
2–4	Gradually extended	Continue extending	Pause extension
Target	7–8 hours (or personal optimal)	Maintenance phase	—

SRT typically causes short-term increased sleepiness in weeks 1–2, followed by more consolidated, deeper sleep that gradually improves over 4–8 weeks. In RCTs, SRT alone produces sleep improvements comparable to full CBT-I in many patients.

Cognitive hyperarousal — a racing, active mind at bedtime — is one of the most common maintaining factors in insomnia. The mind appears to rehearse, plan, worry, and ruminate specifically when the body is attempting to sleep. Several techniques directly address this:

Scheduled worry time: designate 15–20 minutes earlier in the evening as a "worry window" — write down all worries and potential action steps. When worries arise at bedtime, remind yourself they have been captured and will be addressed tomorrow. This uses implementation intentions to divert rumination.

Cognitive defusion: from ACT — observe thoughts as events passing through awareness rather than facts requiring action: "I notice I'm having the thought that I'll be exhausted tomorrow." This reduces the urgency of sleep-related catastrophising.

Technique	Target	How to Apply at Bedtime
Scheduled worry time	Rumination and planning	Write worries earlier; redirect at bedtime
Cognitive defusion	Urgency of thoughts	Label thoughts: "There's the 'I'll fail' thought"
Cognitive restructuring	Sleep catastrophising	Test predictions: "What actually happened last time I was tired?"
Paradoxical intention	Sleep effort / arousal	Lie in bed with eyes open, trying to stay awake

Tip: Paradoxical intention — deliberately trying to stay awake while lying in bed with the lights off — reduces sleep effort anxiety by reversing the imperative. Most people who try this fall asleep faster than when they were trying to sleep.

CBT-I (Cognitive Behavioural Therapy for Insomnia) combines stimulus control, sleep restriction, sleep hygiene, relaxation training, and cognitive restructuring into a structured 6–8 week programme. It is recommended by the American Academy of Sleep Medicine, the European Sleep Research Society, and the UK's NICE as the first-line treatment for chronic insomnia in adults of all ages.

A 2015 meta-analysis in JAMA Internal Medicine found CBT-I superior to sleeping pills at 6-month follow-up:

Outcome	CBT-I	Sleeping Pills (Z-drugs)
Sleep onset latency improvement	−54% (19 min reduction)	−42% at 4 weeks; regresses at 6 months
Wake after sleep onset	−46%	−36%; regresses at 6 months
Long-term maintenance of gains	Yes — gains maintained at 12 months	No — effects reverse with discontinuation
Side effect risk	Temporary sleepiness (weeks 1–2)	Dependence, tolerance, falls, cognitive effects

CBT-I is available through sleep therapists, via NHS referral in the UK (Sleepio is an NHS-approved digital CBT-I programme), and through validated apps and books (Gregg Jacobs' Say Good Night to Insomnia is widely used).

Warning: If insomnia is accompanied by symptoms of sleep apnea (loud snoring, gasping, excessive daytime sleepiness), diagnose and treat the apnea first. CBT-I applied to insomnia that is secondary to untreated sleep apnea will have limited benefit.