Mechanisms of Sleep Restriction Therapy in Insomnia

Not Applicable

Completed

• Conditions: Insomnia disorder; Nervous System Diseases; Disorders of initiating and maintaining sleep [insomnias]

• Registration Number: ISRCTN10974094
• Lead Sponsor: niversity of Oxford

Brief Summary

2020 Results article in https://doi.org/10.1093/sleep/zsaa096 results (added 02/12/2020) 2021 Results article in https://doi.org/10.1093/sleep/zsab223 (added 01/09/2021)

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2018-06-13
• Study Start: 2019-02-01
• Last Update Posted: 13 September 2021

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 56

Inclusion Criteria

1. Participant is willing and able to give informed consent for participation in the study
2. Adults aged 25-55 years
3. Screening positive for persistent insomnia (chronicity >3 months) as indicated on the Sleep Condition Indicator
4. Access to the internet with a tablet, laptop or desktop computer
5. Regular use of a personal mobile phone

Exclusion Criteria

1. Psychiatric diagnoses other than insomnia
2. Anxiety (anxiety items of the HADS >10)
3. Depression (PHQ > 10)
4. Current substance misuse
5. Additional sleep disorders other than insomnia (e.g. narcolepsy, circadian rhythm disorder)
6. Sleep-disruptive medical comorbidity or conditions contraindicated for SRT (e.g. epilepsy)
7. Current prescription of medication or psychotherapy for sleep
8. Overnight shift work, evening, or rotating shift work
9. Pregnancy
10. Not living in the area of Oxford (participants’ homes had to be accessible by the researcher for ambulatory PSG)

Study & Design

• Study Type: Interventional
• Study Design: Not specified