Buying Time: Improving Sleep to Promote Cognitive Function in Older Adults

Study Overview
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Brief Summary
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The purpose of this study is to investigate whether a comprehensive group education combined with a lifestyle activation program that includes (a) sleep hygiene course, (b) physical activity promotion, and (c) bright light therapy, can improve both sleep quality and cognitive function among 96 community-dwelling older adults.

Detailed Description
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96 community-dwelling older adults with sleep complaints will be randomized into either a 6-month life style and sleep activation intervention program or a waitlist control group (participants in this group will be offered an abbreviated version of the program upon completion of the 6 month study). There are 3 measurement sessions to measure cognition, sleep, and physical activity at the onset of the study, the midway (3 month) point, and completion (at 6 months).

Official Title
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Buying Time: Improving Sleep to Promote Cognitive Function in Older Adults

Conditions
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Sleep, Aging

Intervention / Treatment
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* Behavioral: Life Style and Sleep Intervention


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Sleep complaints Community-dwelling (not in a long term care facility) Read, write, and speak English Able to walk independently In sufficient health to participate in regular physical activity Exclusion Criteria: Diagnosis of obstructive sleep apnea Receiving continuous positive air pressure (CPAP) treatment Diagnosed with dementia of any type At high risk for cardiac complications during physical activity or unable to self-regulate activity or understand recommended activity level Have a clinically important peripheral neuropathy or sever musculoskeletal or joint disease that impairs mobility

Ages Eligible for Study
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Minimum Age: 65 Years
Maximum Age: 85 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Life Style and Sleep Group<br>Participants randomized into this group will undergo a 4 week sleep hygiene course (classes 1x/week for 1.5 hours), followed by a 20 week lifestyle activation program. During the 20 week lifestyle activation program, participants wear a Fit Bit and receive a call from a fitness professional every other week for motivation and recommendations, and receive a bright light therapy program from a sleep expert based on their initial sleep results at the baseline measurement session. | Behavioral: Life Style and Sleep Intervention<br> <br> |
| No Intervention: Wait-list Control<br>Participants randomized into this group will complete all measurement sessions. After completion of the final measurement session (6 months), participants will be offered an abbreviated version of the Life Style and Sleep Group intervention including the sleep hygiene course, consultation with sleep expert to go over individual sleep patterns and be given recommendations, along with physical activity recommendations from a fitness expert. | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Change from baseline in sleep quality as measured by Motion Watch 8 at 3 and 6 months |  | Baseline, 3 months, and 6 months | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Change from baseline in cognitive function as measured by the Alzheimer's Disease Assessment Scale Cognitive Subscale Plus (ADAS-Plus) at 3 and 6 months |  | Baseline, 3 months, and 6 months | 
| Change from baseline in self-reported sleep quality as measured by the Pittsburgh Sleep Quality Index at 3 and 6 months |  | Baseline, 3 months, and 6 months | 
| Change from baseline in physical activity levels as measured by Motion Watch 8 at 3 and 6 months |  | Baseline, 3 months, and 6 months | 
| Change from baseline in self-reported physical activity levels as measured by CHAMPS physical activity questionnaire each month |  | Monthly, from baseline through 6 months |