Ontario-Sleep-Brain-Health-Study
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How do I participate?

Participation is by invitation only and limited to existing participants of one of several Ontario-based studies of aging and brain health. The study coordinator, Giselle Kraus, will contact you via phone or email to tell you more about the Ontario Sleep and Brain Health Study and ask if you are interested to participate.

Alternatively, you may contact the study coordinator directly by phone at 416-480-5143 or email sleepandbrainhealth@sunnybrook.ca.

What is involved?

The entire study takes place in your own home. There are no additional costs to you. We will mail equipment to you or give it to you in person at Sunnybrook Health Sciences Centre. You will use this equipment to measure your sleep and biological rhythms over a 10-day period. You will then mail the equipment back to the study centre using a postage-paid envelope. The study will involve:

  1. Wearing a wristwatch-like accelerometer (Figure A) 24 hours a day for 10 days. This tells us when you are sleeping and how well you are sleeping.
  2. Wearing one of two simple portable devices (Figures B1 and B2) to measure your breathing in your sleep for one night.
  3. Completing a questionnaire about your sleep habits and biological rhythms.

Figure A, Actiwatch
Figure A: Actiwatch

Figure B1, Apnealink Air
Figure B1: ApneaLink Air

Figure B1, Apnealink Air
Figure B2: ApneaLink Plus

How will this study benefit me?

Once you have completed the study, we will provide you with data about your sleep and circadian rhythms, including the quantity and quality of your sleep and the likelihood that you have problems breathing in your sleep (also known as sleep apnea).

More importantly, by participating in this study, you will play a key role in helping us to understand better the links between sleep health and brain health—knowledge that can be used to design novel sleep-based interventions to enhance brain health and slow or prevent cognitive decline in adults with and without Alzheimer's disease and other causes of cognitive impairment.

For participants

PDF file View consent form (PDF)

PDF file View equipment instruction sheets (PDF)

PDF file View sleep questionnaire (PDF)