Bedtime Window improves symptoms of…

Bedtime Window reduces wake time

Scientific Evidence

  • Improves insomnia and depression

    Bedtime Window improves insomnia and depression symptoms.

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  • Improves sleep quality

    Bedtime Window increases sleep duration and reduces time awake overnight.

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  • Sleep apnoea symptoms

    Bedtime Window is effective in people with symptoms of sleep apnoea.

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  • Insomnia + Sleep Apnoea

    Randomised controlled trial in people with insomnia and sleep apnoea.

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  • First primary care study

    Ongoing scientific study in Australian primary care.

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  • Second primary care study

    Ongoing scientific study in rural and remote Australian primary care.

  • Young adults experiencing symptoms of depression

    Ongoing scientific study in young adults experiencing symptoms of insomnia and depression.

  • Australian pharmacy study

    Ongoing scientific study in Australian pharmacy settings.

  • Third primary care study

    Third primary care study

    Ongoing scientific study with general practitioners, psychologists, pharmacists, and primary care nurses.

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Scientific Publications

  1. Sweetman, A., Reynolds, C., & Richardson, C. (2024). Digital cognitive behavioural therapy for insomnia versus digital sleep education control in an Australian community‐based sample: a randomised controlled trial. Internal Medicine Journal, 54(11), 1838-1848. https://doi.org/10.1111/imj.16521

  2. Sweetman, A., Reynolds, C., Lack, L., Vakulin, A., Chai-Coetzer, C. L., Wallace, D. M., ... & Richardson, C. (2024). Effect of high-risk sleep apnea on treatment-response to a tailored digital cognitive behavioral therapy for insomnia program: a quasi-experimental trial. Frontiers in Sleep, 3, 1355468. https://doi.org/10.3389/frsle.2024.1355468

  3. Sweetman, A., Richardson, C., Smith, A., & Reynolds, C. (2025). The Effect of Digital Cognitive Behavioural Therapy for Insomnia in People With Co‐Morbid Insomnia and Sleep Apnoea (COMISA): A Pilot Randomised Controlled Trial. Journal of Sleep Research, e70114. https://doi.org/10.1111/jsr.70114

Research abstracts

  1. Sweetman, A., Reynolds, C., & Richardson, C. (2023). O035 Digital CBT-i versus digital sleep education control in an Australian community-based cohort: A randomised controlled trial. SLEEP Advances, 4, A12. https://doi.org/10.1093/sleepadvances/zpad035.035

  2. Sweetman, A., Richardson, C., & Reynolds, C. (2023). P055 Maintaining effectiveness and mitigating sleepiness: A tailored digital CBT-i approach. SLEEP Advances, 4, A55. https://doi.org/10.1093/sleepadvances/zpad035.140

  3. Sweetman, A., Richardson, C., & Reynolds, C. (2025). Digital cognitive behavioral therapy for insomnia in patients with co-morbid insomnia and sleep apnoea (COMISA): A randomised controlled trial. ERJ Open Research, 11(Suppl 16). https://doi.org/10.1183/23120541.sleepandbreathing-2025.8

  4. Sweetman, A., et al., (2025). The effect of a tailored digital cognitive behavioural therapy for insomnia in people with co-morbid insomnia and sleep apnoea (COMISA): A pilot randomised controlled trial. World Sleep. Singapore, Sleep Medicine.

  5. Reynolds, C., et al. (2025). Digital CBTi improves insomnia and reduces sleeping pill use in Australian primary care patients: Preliminary analysis of a randomised controlled implementation trial. World Sleep. Singapore, Sleep Medicine.

  6. Richardson, C., et al., (2025). Preliminary findings from a trial evaluating Digital Cognitive Behavioural Therapy for Insomnia on Depression Symptoms and Processes in Young Adults. World Sleep. Singapore, Sleep Medicine.

Awards and recognition

  1. 2023 MRFF Clinician Researchers: Applied Research in Health Grant. Chronic insomnia: comparing the effectiveness of interventions utilising digital health in priority populations.

  2. 2023 WA Suicide Prevention and Resilience Research Centre. Leveraging Digital Insomnia Treatment to Target Depression and Suicidality in in Young Adults.

  3. 2024 NHMRC Investigator Grant, Dr Cele Richardson. Developing Better Sleep and Circadian

    Interventions to Improve Sleep in Young People.

  4. 2025 American Academy of Sleep Medicine, Strategic Research Grant. Implementation of a technology-assisted pathway for co-morbid insomnia and sleep apnea (COMISA).

  5. 2025 University of Western Australia, Special Commendation Vice-Chancellor’s Award for Research Impact and Innovation.