Can depression be prevented by reducing insomnia? The Good Night Sleep Study

Not Applicable

• Conditions: Major depressive disorder; Depression; Insomnia; Mental Health - Depression; Mental Health - Other mental health disorders

• Registration Number: ACTRN12611000121965
• Lead Sponsor: Professor Helen Christensen

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2011-02-02
• Study Completion: 2015-09-18
• Last Update Posted: 25 July 2023

Recruitment & Eligibility

• Status: Stopped early
• Sex: All
• Target Recruitment: 1149

Inclusion Criteria

On the Patient Health Questionnaire 9: a score between from 5 to 19, inclusive. On the Bergen Insomnia Scale: a score of 3 or above on at least one of the first four items and a score of 3 or above on at least one of the last two items. Age 18-64. Valid email address. Reliable internet access. Valid telephone number. Currently living in Australia. Proficiency with reading English.

Exclusion Criteria

Diagnosis of current (1 month) MDD; non-English speaking; reading difficulties; diagnosis of psychosis, schizophrenia or bipolar mood disorder by a psychiatrist; bedtime outside of 8pm-2am more than twice a week (not primarily due to insomnia); rising time outside of 4am-10am more than twice a week (not primarily due to insomnia); pregnancy at time of recruitment; current suicide plan/ high risk of suicide.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Reduction of depression symptoms at immediate posttest (and then 6-month, 12-month and 18-month follow-up), as measured using the PHQ-9.[Immediate Posttest (and then 6-month, 12-month and 18-month follow-up)]