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A study of the efficacy of sleep behavior therapy using a sleep improvement app combined with light therapy to improve sleep problems in evening-type individuals: a pilot randomized controlled trial

A study of the effects of sleep behavior therapy using a sleep improvement app and light therapy on improving sleep problems in a night person : a pilot randomized controlled trial. - SKUSH-light study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000053877
Enrollment
30
Registered
2024-03-15
Start date
2023-10-03
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

sleep disturbance

Interventions

Sleep behavior therapy program 1.Sleep behavior therapy Intervention through the Sleep Healthy sleep improvement app. Send the following information daily by the app. (i) Recording a sleep diar

Sponsors

Kyoto University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. MEQ9 score of 16 or above and 41 or below. 2. ISI10 score of 8 or more. 3. Aged between 18 and 39. 4. A person who owns his/her own smartphone. 5. A person whose first language is Japanese 6. Smartphone's version and model are compatible with the application.

Exclusion criteria

Exclusion criteria: 1.Those for whom no improvement can be expected from the intervention Those with a time difference of more than 5 hours between their current average wake-up time and their target wake-up time. 2.Those who will be in significant time differences, such as overseas travel, during the study period. 3.Shift Workers 4.Those for which the safety of the intervention cannot be guaranteed. Photosensitivity. Having a serious preexisting condition. Those who has a treatment for sleep disorders. Those who has a treatment in psychiatry. Patient Health Questionnaire-9 (PHQ-9), Q9 "Thoughts that you would be better off dead or of hurting yourself in some way" is More than half the days in the past two weeks.

Design outcomes

Primary

MeasureTime frame
Changes in the Insomnia Severity Index (ISI) during the four weeks intervention

Countries

Japan

Contacts

Public ContactYukako Nakagami

Kyoto university Agency for Student Support and Disability Resources

skush.light@gmail.com075-753-2429

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026