Insomnia Disorder in People living with Chronic pain

Key things to know What the evidence shows
How common is it? Sleep disturbance/ISI-defined insomnia ~72.9%; older meta reported insomnia 72% among chronic-pain samples
Is it more common among people living with chronic pain? Extremely high sleep/insomnia burden
Are people living with chronic pain at higher risk? #N/A
How much higher is the risk? ISI-defined sleep disturbance 72.9% in meta-analysis
How often can it be missed? Very High
Does it show up differently among people living with chronic pain? Strong Yes
How might it look different? Pain interrupts sleep; poor sleep increases pain sensitivity → reinforcing cycle
What commonly occurs alongside it? Depression; anxiety; PTSD; opioid use
What can it be confused with? Pain-driven awakening; sleep apnea; RLS; medication effects
Common screening tool ISI — Insomnia Severity Index
Separate screening tool for people living with chronic pain None established
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