The Effectiveness of Regular Exercise on Improving Sleep in Older Adults

Inclusion Criteria:

   - Moderate difficulty sleeping unrelated to a physical illness or psychopathology
   (determined by the Sleep Questionnaire and Assessment of Wakefulness)

   - Currently not physically active on a regular basis

   - Body mass index less than 38

Exclusion Criteria:

   - Currently physically active on a regular basis

   - Diagnosed with a clinically significant sleep disorder

   - Mild or no sleep complaints (determined by the Sleep Questionnaire and Assessment of
   Wakefulness)

   - Unstable on medications

   - Current smoker

   - Consumes more than three alcoholic beverages per day

   - Medical condition that may limit participation in moderate-intensity exercise

   - Diagnosed with clinical psychopathology