A Smartphone-based Guided Intervention for Insomnia – Randomized Controlled Pilot Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00026613

Enrollment

Registered

2021-10-13

Start date

2019-03-27

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

F51.0

Interventions

Group 1: Intervention group: App-based training with eight telephone coaching sessions (duration of each coaching session: about 30-45 minutes) that take place during a period of three months. Partici

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: At least 18 years old; Symptoms of non-organic insomnia (score of =5 on the Pittsburgh Sleep Quality Index); Smartphone with android (version 4.0 or higher); Internet access and valid e-mail address; Written consent after informing

Exclusion criteria

Exclusion criteria: Organic insomnia; Being under psychotherapeutic or psychiatric treatment; Being on a waitlist for psychotherapeutic or psychiatric treatment; Current or former diagnosis of a psychotic disorder or Borderline Personality Disorder; Acute suicidality; Linguistic barriers

Design outcomes

Primary

Measure	Time frame
Sleep quality (Pittsburgh Sleep Quality Index)	—

Secondary

Measure	Time frame
Dysfunctional beliefs and attitudes about sleep (DBAS-16); Depressive symptom severity (PHQ-9)	—

Countries

Germany

Contacts

Public ContactCatharina Lang

Lehrstuhl für Klinische Psychologie und Psychotherapie, Friedrich-Alexander-Universität Erlangen-Nürnberg

catharina.lang@fau.de09131-85-67569

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026