Do you have difficulty sleeping?

You may be able to eligible for this study, if you:

• Are 18 years or older;
• Experience difficulty sleeping (insomnia);
• Experience mild symptoms of anxiety and depression;
• Do not suffer from any serious medical condition;
• Do not regularly take medications or product for sleep

The study is examining the effects of different insomnia treatments.

The three treatment conditions are: a nightly medication approved by Health Canada for the treatment of insomnia called lemborexant, a nightly placebo (inactive) medication, or a psychological treatment called cognitive behavioural therapy (CBT-I). You would be assigned to one of these conditions, and attend 6 treatment sessions lasting approximately one hour each, over the course of 2 months.

You would be asked to:

• Complete questionnaires and an interview to determine if you are eligible for the study
• Wear a wrist device during the day/night and a band around your head at night to measure your sleep for one-week before and after treatment.
• Monitor your experiences on a sleep diary throughout treatment
• Complete questionnaires before treatment, after treatment and 6 months after treatment

In appreciation of your time, you will receive $200 if you complete all of the components of the study.

If you are interested in participating in this study or would like more information, please call 416-979-5000 ext. 552185 or email sadlab@torontomu.ca

The primary researcher of this study at TMU is Dr. Colleen Carney ccarney@torontomu.ca.

The primary researcher of this study is Dr. Charles Morin at Laval University.

This research study has been reviewed and approved by the Toronto Metropolitan University Research Ethics Board [REB protocol number 2024-370] and is funded by Canadian Institutes of Health Research.