Efficacy of Cognitive Behavioural Therapy for Insomnia With Adjuvant Melatonin Treatment in Older Adults With Chronic Insomnia: A Randomised Controlled Trial
This study tests the efficacy of cognitive behavioural therapy for insomnia (CBT-I) with or without adjunct melatonin in older adults with insomnia. Adults aged 60 or above with chronic insomnia will be randomly assigned to one of three groups: (1) CBT-I plus nightly melatonin, (2) CBT-I plus nightly placebo tablet, or (3) sleep health psychoeducation plus nightly placebo tablet. All group sessions occur weekly for four weeks.
• Chinese aged ≥ 60.
• Provision of written informed consent.
• Having a DSM-5 diagnosis of insomnia disorder (i.e., having difficulty initiating sleep, maintaining sleep, or early morning awakening at least three times a week for at least three months, with clinically significant impairment or distress).
• Having a score of \> 14 on the ISI, indicating clinical insomnia.