NCT07794943

Brief Summary

Internet-based cognitive behavioural therapy for insomnia (iCBT-I) has shown promise for reducing insomnia symptoms. Additionally, physical activity has long been known to contribute to better sleep. The current protocol describes a planned a two-phased project aiming to examine the effect of a randomised controlled trial, including iCBT-I (standard care) alone or with additional physical activity components (iCBT-I-PA). Adults with sleep problems and insufficient physical activity levels will be included in the 6-8-week intervention. Outcomes measured will include insomnia severity (primary outcome), physical activity, sedentary behaviour, psychological distress, cognitive function and quality of life. Measures will be taken at baseline, immediately post-intervention, and at 6- and 12-month follow-ups. We hypothesise that the iCBT-I-PA group will show greater reductions in insomnia severity and increase physical activity compared to the iCBT-I group.

Trial Health

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Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
355

participants targeted

Target at P75+ for not_applicable

Timeline
75mo left

Started Sep 2026

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress1%
Sep 2026Dec 2032

First Submitted

Initial submission to the registry

July 1, 2026

Completed
2 months until next milestone

First Posted

Study publicly available on registry

August 31, 2026

Completed
1 day until next milestone

Study Start

First participant enrolled

September 1, 2026

Completed
6.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2032

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2032

Last Updated

August 31, 2026

Status Verified

August 1, 2026

Enrollment Period

6.3 years

First QC Date

July 1, 2026

Last Update Submit

August 28, 2026

Conditions

Keywords

InsomniaSleepPhysical activityiCBT-IDigital interventionCognitive behavioural therapy

Outcome Measures

Primary Outcomes (8)

  • Feasibility: Pilot RCT recruitment rate

    For Phase 1 pilot RCT only: Recruitment rate will be assessed as the average rate of participant recruitment as participants per week throughout the pilot RCT. Measurement tool: Study screening and enrolment log.

    Following recruitment to randomisation of the final pilot participant (up to 52 weeks).

  • Feasibility: Pilot RCT consent rate

    For Phase 1 pilot RCT only: Consent rate will be assessed as the proportion of eligible/recruited participants who consent to participate. Measurement tool: Study screening and consent log.

    Following recruitment to randomisation of the final pilot participant (up to 52 weeks).

  • Feasibility: Pilot RCT adherence rate

    For Phase 1 pilot RCT only: Intervention adherence will be assessed as the proportion of participants completing ≥3 modules (50% of intervention), the minimum number required for an expected change in insomnia outcomes. Measurement tool: The number of completed modules indicated by study clinician.

    Baseline and post-intervention measure (6-8 weeks)

  • Feasibility: Pilot RCT data collection completion rate

    For Phase 1 pilot RCT only: Data collection completion will be assessed as the proportion of randomised participants who provide complete outcome data at baseline, post-intervention, 6 months, and 12 months. Measurement tool: the outcome assessment database.

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Feasibility: Pilot RCT retention rate

    For Phase 1 pilot RCT only: Retention will be assessed as the proportion of randomised participants who have not withdrawn and who complete the follow-up assessments at 6 and 12 months. Measurement tool: The participant tracking and follow-up log.

    6 and 12 months follow-up after intervention

  • Feasibility: Pilot RCT intervention fidelity rate

    For Phase 1 pilot RCT only: Intervention fidelity will be assessed as the percentage of planned intervention components delivered as intended. Measurement tool: Study-specific intervention fidelity checklist completed by study clinicians and platform delivery records.

    Post-intervention (6-8 weeks)

  • Acceptability: Pilot RCT acceptability of the iCBT-I-PA intervention assessed by semi-structured interview

    For Phase 1 pilot RCT only: Acceptability will be assessed using semi-structured interviews with participants randomised to the iCBT-I-PA condition who completed at least the baseline measures. Interviews will explore participants' experiences of the intervention and pilot RCT procedures, including acceptability of the intervention, randomisation, outcome assessments, follow-up schedule, and barriers and facilitators to engagement. Measurement tool: Semi-structured interview topic. Themes identified using thematic analysis.

    Post-intervention (6-8 weeks)

  • Insomnia severity

    For Phase 1 pilot RCT and Phase 2 full-scale RCT: Insomnia severity will be the primary outcome that the intervention will aim to change. Insomnia severity will be measured using the Insomnia Severity Index (ISI). The ISI comprises seven items, measuring the severity and impact of insomnia and the extent to which it interferes with the individual's daily life. The ISI is scored on a 5-point Likert scale (0="Not at all", 4="Very much"). A sum score represents overall insomnia severity, ranging from 0 to 28. Measurement tool: The Insomnia Severity Index (ISI)

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

Secondary Outcomes (8)

  • Sleep: Diary

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Sleep: Device-measured

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Physical activity: Diary

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Physical activity: Self-report

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Physical activity: Device-measured

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • +3 more secondary outcomes

Other Outcomes (4)

  • Cognitive function

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Depression

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • Anxiety

    Baseline, post-intervention (6-8 weeks), 6- and 12-month follow-up

  • +1 more other outcomes

Study Arms (2)

iCBT-I

ACTIVE COMPARATOR

Standard care (control): Internet-based cognitive behavioural therapy targeting insomnia

Behavioral: Behavioral: Internet-based cognitive behavioral therapy & physical ACtivity for INSOMNIa (iCBT-I)

iCBT-I-PA

EXPERIMENTAL

Experimental condition: Internet-based cognitive behavioural therapy targeting insomnia combined with physical activity

Behavioral: Internet-based cognitive behavioral therapy & physical ACtivity for INSOMNIa (iCBT-I-PA)

Interventions

Experimental condition: Internet-based cognitive behavioural therapy targeting insomnia combined with physical activity support

iCBT-I-PA

Standard care (control): Internet-based cognitive behavioural therapy targeting insomnia

iCBT-I

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years or older
  • Experiencing clinically relevant insomnia (Insomnia Severity Index score \>10)
  • Do not meet the recommended levels of physical activity (weekly 150-300 minutes of moderate intensity physical activity or 75-150 minutes of vigorous physical activity)

You may not qualify if:

  • Have any ongoing diagnosed medical conditions known to affect PA participation as assessed by intervention clinician.
  • Increased risk for suicide as assessed by intervention clinician.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Primary care and health, Region Uppsala

Uppsala, Sweden

Location

MeSH Terms

Conditions

Sleep Initiation and Maintenance DisordersSedentary BehaviorMotor Activity

Interventions

Exercise

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental DisordersBehavior

Intervention Hierarchy (Ancestors)

Motor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Central Study Contacts

Sören Spörndly-Nees, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Participants will be aware of the treatment but will not be aware of the different conditions included in the RCT.
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research supervisor

Study Record Dates

First Submitted

July 1, 2026

First Posted

August 31, 2026

Study Start

September 1, 2026

Primary Completion (Estimated)

December 1, 2032

Study Completion (Estimated)

December 1, 2032

Last Updated

August 31, 2026

Record last verified: 2026-08

Data Sharing

IPD Sharing
Will not share

Due to ethical and privacy restrictions, we do not plan on making IPD publicly available.

Locations