Randomized controlled trial to evaluate the effect of personalized message by smart phone for sleep quality.

Randomized controlled trial to evaluate the effect of personalized message by smart phone for sleep quality. - Randomized controlled trial to evaluate the effect of personalized message by smart phone for sleep quality.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042263

Enrollment

120

Registered

2020-12-01

Start date

2019-11-06

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

Nothing

Interventions

Use of Smartphone application which comprises sleep diary, personalized information of sleep hygiene guidance and sleep schedule method for 4 weeks. No intervention

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Over 20 years old worker who feels sleep problem and has own smartphone with capability to make informed consent.

Exclusion criteria

Exclusion criteria: People who have unmatched smartphone for the application. Shift workers. People who have the schedule of overseas travelling during study period. Scoring 10 or more on PHQ-9 and scoring 2 or 3 on item 9 of PHQ-9 at screening. People who are assessed as unfit for the study by researchers.

Design outcomes

Primary

Measure	Time frame
Amount of change of the Insomnia Severity Index at 4 weeks later.	—

Countries

Japan

Contacts

Public ContactTomonari Shimamoto

Kyoto university Health service

sleepprompt_trial@hoken.kyoto-u.ac.jp075-753-2415

Outcome results

None listed

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