Ask most people with depression or anxiety about their sleep, and you'll rarely hear "it's fine." Poor sleep is one of the most common companions to mental health conditions — and one of the most under-treated, often dismissed as an inevitable side effect rather than something that can, and should, be treated in its own right.
What Is Insomnia, Really?
Chronic insomnia affects an estimated 6–10% of the population and is a recognised risk factor for a wide range of medical and psychiatric conditions, yet remains significantly under-treated relative to its public health impact.[1]
Why Sleep and Mental Health Feed Each Other
Generalised anxiety disorder is among the most common psychiatric conditions found in people with insomnia, and research on digital CBT-I programmes has found that improving sleep directly can meaningfully reduce depression and anxiety symptoms as a secondary effect — not just the other way around.
Patients often tell me they've been waiting for their mood to improve before their sleep will "sort itself out." In my experience, it frequently works the other way — treating the insomnia directly, rather than waiting on it, often gives the antidepressant or therapy a better chance of working in the first place.
What Actually Works? CBT-I
CBT-I is recognised as the first-line treatment for chronic insomnia by the American Academy of Sleep Medicine and other leading bodies, and unlike medication, its benefits tend to persist well after treatment ends.[1] Its core components include:
- Sleep restriction therapy: Temporarily limiting time in bed to consolidate sleep and rebuild sleep efficiency — counterintuitive, but highly effective.
- Stimulus control: Rebuilding the brain's association between the bed and sleep, rather than the bed and wakeful frustration.
- Cognitive therapy: Addressing anxious, catastrophic thoughts about sleep itself ("I'll never function tomorrow") that paradoxically make sleep harder to reach.
- Sleep hygiene and relaxation training: Supporting components that work best combined with the above, rather than alone.
The instruction patients resist most in CBT-I is also usually the one that helps fastest: spending less time in bed, not more, in the early weeks of treatment. It feels backwards when you're exhausted, but restoring the brain's link between "bed" and "asleep" — rather than "bed" and "lying awake, frustrated" — is often what breaks a months-long pattern within a few weeks.
When Should You Seek Help?
This is especially true if insomnia is occurring alongside low mood, anxiety, or a recent life stressor — treating the sleep and the underlying condition together tends to produce better, faster results than addressing either in isolation.
"Healing isn't linear — but it is possible. Always."
— Dr. Varun Gupta
Frequently Asked Questions
Is it better to treat insomnia with medication or therapy?
For chronic insomnia, Cognitive Behavioural Therapy for Insomnia (CBT-I) is recommended as the first-line treatment by leading sleep medicine bodies, since it addresses the underlying causes and produces more durable results than medication alone, which carries risks of tolerance and dependence with long-term use.
Can poor sleep actually cause anxiety and depression, or is it just a symptom?
Both. The relationship is genuinely bidirectional — depression and anxiety disrupt sleep, and chronic poor sleep independently worsens mood and anxiety symptoms. This is why treating sleep directly, alongside the underlying condition, often improves outcomes faster than treating either alone.
How long does chronic insomnia need to last before it's a diagnosable disorder?
Insomnia is generally considered chronic, and worth a clinical assessment, when difficulty sleeping occurs at least three nights a week for three months or more and causes noticeable distress or impairment during the day.
References
- Muench A, et al. Cognitive Behavioral Therapy for Insomnia (CBT-I): A Primer. PMC, National Library of Medicine. pmc.ncbi.nlm.nih.gov/articles/PMC10002474
Ready to take the first step?
Book a confidential consultation with Dr. Varun Gupta — MBBS, MD Psychiatry, Jammu.
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