Does an app based short intervention improve quality of sleep?

Refresh - Does an app based short intervention improve quality of sleep? A randomised controlled feasibility study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN53553517

Enrollment

586

Registered

2019-04-08

Start date

2019-04-15

Completion date

Unknown

Last updated

2023-04-03

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

Conditions

Poor sleep quality Nervous System Diseases Sleep disorders

Interventions

Method of randomisation: stratified block randomization (strata: gender, sleep quality (RIS total score =12), use of sleep medication). 1. Refresh: an app-based short intervention to

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Over 18 years of age 2. Fluent in German 3. Access to the Internet during the intervention period

Exclusion criteria

Exclusion criteria: 1. Current treatment for depression 2. History of psychotic or bipolar disorder 3. Suicidal ideation

Design outcomes

Primary

Measure	Time frame
Sleep quality is measured using the Regensburg Insomnia Scale (RIS) Total Score at baseline and post-Intervention (8 weeks)	—

Secondary

Measure	Time frame
1. Sleep quality is measured using the Regensburg Insomnia Scale Total Score at baseline and follow-up (26 weeks) 2. Depression symptoms are measured using the depression scale from the Patient Health Questionnaire (PHQ-9 ) Total Score at baseline, post intervention (8 weeks) and follow-up (26 weeks) 3. Acceptance of the training is measured using the Working Alliance Scale adapted for Online Interventions at Post Intervention (8 weeks) and usage of the intervention (during intervention period)	—

Measure

Time frame

1. Sleep quality is measured using the Regensburg Insomnia Scale Total Score at baseline and follow-up (26 weeks) 2. Depression symptoms are measured using the depression scale from the Patient Health Questionnaire (PHQ-9 ) Total Score at baseline, post intervention (8 weeks) and follow-up (26 weeks) 3. Acceptance of the training is measured using the Working Alliance Scale adapted for Online Interventions at Post Intervention (8 weeks) and usage of the intervention (during intervention period)

—

Countries

Austria, Germany, Luxembourg, Switzerland

Contacts

Public ContactBianka Vollert

bianka.vollert@tu-dresden.de+49 (0)351 463 38570

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 11, 2026