Effectiveness of a chat-based short-time intervention to treat primary insomnia compared to a face-to-face intervention and a wait-list control group

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00010522

Enrollment

Registered

2016-05-18

Start date

2014-03-19

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 F41.2

Interventions

Group 1: primary insomnia (interventions: resource-oriented imagination & sleep restriction

face-to-face) Group 2: primary insomnia (interventions: ressource-oriented imagination & sleep restriction

applied chat-based, textual, no webcam) Group 3: wait-list control group (time to wait: 4 weeks

equivalent to the duration of the intervention period)

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Primary insomnia according to research criteria of primary insomnia (Edinger et al., 2004)

Exclusion criteria

Exclusion criteria: - other sleep disorder such as sleep apnea, narcolepsy, sleepwalking, pavor nocturnus, bruxism, nightmares, restless legs - sleep complaints due to disturbed circadian rhythm and shift work --> diagnosed according to the structured interview on sleep disorders (Schramm, Hohagen, & Berger, 1991) - insomnia caused by a medical state (such as chronic pain) - regular consumption of drugs and alcohol, marijuana intake > 1x/week - epilepsy - other psychiatric disorder is central (diagnosed according to Mini-DIPS; Margraf, 1994) - endangerment to self or others - patients with regular intake of psychoactive medicine were not generally excluded, but were asked to keep their consumption constant during treatment

Design outcomes

Primary

Measure	Time frame
Subjective Sleep Quality: PSQI Pittsburgh Sleep Inventory (Buysse, Reynolds, Monk, Berman, & Kupfer, 1989), questionnaire, pre - post - follow-up	—

Secondary

Measure	Time frame
Subjective sleep quality: sleep diary (Schlaffragebogen-A; Görtelmeyer, 2005), pre, continously during treatment - post - follow-up; Objective sleep quality: Aktigraphy (MotionWatch8©; Cambridge Neurotechnology Ltd., Cambridge, England), pre - post - follow-up; Depression: CES-D Center for Epidemiological Studies Depression Scale (Radloff, 1977), questionnaire, pre - post - follow-up; Sleepiness: FSS Fatigue Severity Scale (Hjollund, Andersen, & Bech, 2007), questionnaire, pre - post - follow-up; Angst: STAI-T State Trait Anxiety Inventory (Spielberger, Gorsuch, & Lushene, 1970), questionnaire, pre - post - follow-up; Pre-sleep cognitive and physiological arousal: PSAS Pre-Sleep-Arousal Scale (Nicassio, Mendlowitz, Fussell & Petras, 1985), questionnaire, pre, prior to each session, post, follow-up; Negative attitudes toward sleep: APSQ Anxiety and Preoccupation about Sleep Questionnaire (Tang & Harvey, 2004), questionnaire, pre, prior to each session, post, follow-up; Perceived competence to deal with impaired sleep quality: PCS Perceived Competence Scales (modified according to Williams, Freedman, & Deci, 1998), questionnaire, pre, prior to each session, post, follow-up; Course of treatment: questionnaire, after each session, post, follow-up; Perceived quality of the session rated by patient and therapist: Session questionnaires (Flückiger, Regli, Zwahlen, Hostettler, & Caspar, 2010), questionnaire, directly after each session; Perceived therapists' characteristics: visual analog scales	—

Measure

Time frame

Subjective sleep quality: sleep diary (Schlaffragebogen-A; Görtelmeyer, 2005), pre, continously during treatment - post - follow-up; Objective sleep quality: Aktigraphy (MotionWatch8©; Cambridge Neurotechnology Ltd., Cambridge, England), pre - post - follow-up; Depression: CES-D Center for Epidemiological Studies Depression Scale (Radloff, 1977), questionnaire, pre - post - follow-up; Sleepiness: FSS Fatigue Severity Scale (Hjollund, Andersen, & Bech, 2007), questionnaire, pre - post - follow-up; Angst: STAI-T State Trait Anxiety Inventory (Spielberger, Gorsuch, & Lushene, 1970), questionnaire, pre - post - follow-up; Pre-sleep cognitive and physiological arousal: PSAS Pre-Sleep-Arousal Scale (Nicassio, Mendlowitz, Fussell & Petras, 1985), questionnaire, pre, prior to each session, post, follow-up; Negative attitudes toward sleep: APSQ Anxiety and Preoccupation about Sleep Questionnaire (Tang & Harvey, 2004), questionnaire, pre, prior to each session, post, follow-up; Perceived competence to deal with impaired sleep quality: PCS Perceived Competence Scales (modified according to Williams, Freedman, & Deci, 1998), questionnaire, pre, prior to each session, post, follow-up; Course of treatment: questionnaire, after each session, post, follow-up; Perceived quality of the session rated by patient and therapist: Session questionnaires (Flückiger, Regli, Zwahlen, Hostettler, & Caspar, 2010), questionnaire, directly after each session; Perceived therapists' characteristics: visual analog scales

—

Countries

Germany

Contacts

Public ContactAnnika Gieselmann

Heinrich-Heine-Universität Institut für Experimentelle Psychologie Abteilung Klinische Psychologie

Annika.Gieselmann@uni-duesseldorf.de+49 211 81-10584

Outcome results

None listed

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