Fixing Insomnia Can Play a Transformative Role in Improving Mental Health

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TMS THERAPY SUPPORTS MENTAL WELLNESS
- Depression
- Lack of Joy
- Sadness and Despair
- Low Mood
- Lethargy
- Insomnia
- Oversleeping
- Social Isolation
- Self-Harm
- Substance Abuse
- Suicidal Ideation
- Alcoholism


Sleep and Mental Health: Why Sleep Care Is Foundational
Sleep is essential for emotional regulation, cognitive function, and neuroplasticity. Disrupted sleep, especially insomnia, is not just a symptom but a risk factor and potential driver for mood and anxiety disorders, including depression. Insomnia can impair brain plasticity, over-activate the stress system (including cortisol dysregulation), and promote neuroinflammation, all of which contribute to psychiatric symptoms and vulnerability to mental illness. 1 2 3 4 Chronic insomnia is associated with increased risk of new-onset depression and can worsen the course of existing psychiatric conditions. 5 6 7 4
Treating Insomnia Improves Mental Health
Improving sleep quality leads to measurable improvements in mental health. Meta-analyses and randomized controlled trials show that interventions targeting sleep — especially cognitive behavioral therapy for insomnia (CBT-I) — not only improve sleep but also reduce symptoms of depression, anxiety, and stress, and enhance overall psychological well-being. 8 9 10 11 There is a dose-response relationship: greater improvements in sleep yield greater improvements in mental health. 9 Treating insomnia can also prevent the onset of depression and improve outcomes in those with comorbid mood disorders. 6 11
Sleep, Hormones, and Mood
Sleep physiology is tightly linked to hormone regulation. Sleep loss and insomnia can disrupt the hypothalamic-pituitary-adrenal (HPA) axis, leading to abnormal cortisol rhythms, and may affect reproductive hormones such as progesterone, which in turn can influence mood and sleep quality. 12 Evaluating and addressing hormonal imbalances can be an important part of a comprehensive sleep and mental health assessment.
What a Thorough Sleep Consultation Covers
A thorough sleep consultation — including review of sleep habits, medication effects, and hormone status — can identify modifiable contributors to insomnia and psychiatric symptoms. Medication review is crucial, as many drugs can worsen sleep or interact with mood. Addressing sleep hygiene, optimizing medications, and evaluating hormone levels (such as cortisol and progesterone) can all support better sleep and, by extension, better mental health. 12 7
Bottom Line
Prioritizing sleep health is a powerful, evidence-based strategy for healing the mind and preventing psychiatric illness. Comprehensive sleep consultations, hormone evaluation, and medication review are key services that can help patients achieve restorative sleep and improved mood. 1 5 2 12 6 9 7 10 3 11 4
At Unchained Wellness, we take an integrative approach to restoring balance — addressing the underlying hormonal, nutritional, and psychological factors that influence sleep and emotional well-being. Schedule a consultation today to begin your personalized path toward deeper rest, improved focus, and renewed vitality.
References
- Sleep, Insomnia and Mental Health — Palagini L, Hertenstein E, Riemann D, Nissen C. Journal of Sleep Research. 2022;31(4):e13628. https://doi.org/10.1111/jsr.13628
- The Key Role of Insomnia and Sleep Loss in the Dysregulation of Multiple Systems Involved in Mood Disorders — Palagini L, Bastien CH, Marazziti D, Ellis JG, Riemann D. Journal of Sleep Research. 2019;28(6):e12841. https://doi.org/10.1111/jsr.12841
- Sleep Markers in Psychiatry: Do Insomnia and Disturbed Sleep Play as Markers of Disrupted Neuroplasticity in Mood Disorders? — Palagini L, Geoffroy PA, Riemann D. Current Medicinal Chemistry. 2022;29(35):5595-5605. https://doi.org/10.2174/0929867328666211214164907
- Sleep, Insomnia, and Depression — Riemann D, Krone LB, Wulff K, Nissen C. Neuropsychopharmacology. 2020;45(1):74-89. https://doi.org/10.1038/s41386-019-0411-y
- Insomnia Disorder: State of the Science and Challenges for the Future — Riemann D, Benz F, Dressle RJ, et al. Journal of Sleep Research. 2022;31(4):e13604. https://doi.org/10.1111/jsr.13604
- Recent Advances in Sleep and Depression — Mirchandaney R, Asarnow LD, Kaplan KA. Current Opinion in Psychiatry. 2023;36(1):34-40. https://doi.org/10.1097/YCO.0000000000000837
- Insomnia Disorder — Winkelman JW. New England Journal of Medicine. 2015;373(15):1437-1444. https://doi.org/10.1056/NEJMcp1412740
- Emotional Processing Following Digital CBT-I in People With Depressive Symptoms: RCT — Tamm S, Tse KYK, Hellier J, et al. JAMA Network Open. 2025;8(2):e2461502. https://doi.org/10.1001/jamanetworkopen.2024.61502
- Improving Sleep Quality Leads to Better Mental Health: Meta-analysis of RCTs — Scott AJ, Webb TL, Martyn-St James M, Rowse G, Weich S. Sleep Medicine Reviews. 2021;60:101556. https://doi.org/10.1016/j.smrv.2021.101556
- Effect of Digital CBT-I on Health and Well-being: RCT — Espie CA, Emsley R, Kyle SD, et al. JAMA Psychiatry. 2019;76(1):21-30. https://doi.org/10.1001/jamapsychiatry.2018.2745
- Sleep Disturbance and Psychiatric Disorders — Freeman D, Sheaves B, Waite F, Harvey AG, Harrison PJ. The Lancet Psychiatry. 2020;7(7):628-637. https://doi.org/10.1016/S2215-0366(20)30136-X
- Sleep Physiology, Pathophysiology, and Sleep Hygiene — Baranwal N, Yu PK, Siegel NS. Progress in Cardiovascular Diseases. 2023;77:59-69. https://doi.org/10.1016/j.pcad.2023.02.005