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Study Details

Timing of Exercise on Diabetes and Sleep

(IRB#: IRB_00156659)

Older adults who have overweight or obesity, low physical activity, and poor sleep may be at a higher risk for developing diabetes. Research is needed to learn if exercise in the morning or afternoon/evening is better at reducing the risk of diabetes and improving sleep. The information we gain may aid in the prevention and treatment of diabetes for future patients.


  • All genders
  • Over 18 years old
  • Healthy Volunteers
  •   In Person
  • Paid

Who can participate?

 Gender: All genders

  Age: Over 18 years old

  Volunteers: Healthy Volunteers

   Location: In Person

Inclusion Criteria

  • Ages 50 to 74 years old
  • Overweight or obese (BMI 25-45 kg/m^2)
  • Weight stable in the past 6 months
  • Physically inactive but not restricted from exercise
  • Attend research visits in person at the University of Utah

Exclusion Criteria

  • Uncontrolled diseases such as heart disease and diabetes
  • Untreated thyroid disease or other medical issues that affects weight or metabolism (how the body turns food into energy)
  • Current use of weight loss medication or other medications that impact the body's energy
  • Diagnosis of sleep problems such as insomnia, sleep apnea, or sleep disorders
  • Surgery to reduce weight such as bariatric surgery or extensive bowel resection in the past 2 years

Will I be paid for my time?


For more information contact:

Jason Thomas


IRB#: IRB_00156659

PI: Tanya Halliday

Department: Kinesiology Program

Approval Date: 2023-04-05 06:00:00

Study Categories: Diabetes Studies, Weight Loss Studies

Last Updated: 6/8/23