Can a phone app cure your insomnia? new trial tests sound therapy that syncs with your breath

NCT ID NCT07295431

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a smartphone app called BELL-001 that plays personalized sounds in sync with your breathing to help you relax and fall asleep. 114 adults with insomnia will use the app or a sham version nightly for 4 weeks. Researchers will measure changes in sleep quality and daytime function to see if the app works as a safe, drug-free treatment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

smartphone-based digital therapeutic delivering personalized auditory stimulation synchronized with breathing

What this could lead to

If successful, this could provide a safe, non-drug option to help people with insomnia fall asleep more easily and improve daytime function.

What could go wrong

This is an early-stage trial with only 114 participants, and the sham control may show similar effects. The app may not work for everyone, and long-term benefits are unknown.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

insomnia sleep disorder, initiating and maintaining sleep

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • CHA Bundang Hospital

    Seoul, South Korea

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Catholic Kwandong University International St. Mary's Hospital

    Seoul, South Korea

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kangbuk Samsung Hospital

    Seoul, South Korea

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kyung Hee University Hospital at Gangdong

    Seoul, South Korea

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kyung Hee University Medical Center

    Seoul, South Korea

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Seoul National University Hospital

    Seoul, 03080, South Korea

    Contact Phone: •••-•••-•••• Email: •••••@•••••