No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
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Review the details below, then apply to join this clinical trial.
At a Glance
Age
18 – 45
Sex
Any
Study type
Interventional
Purpose
Prevention
Participants needed
20 (estimated)
Sponsor
University of Utah · Other
Who this trial is looking for
This trial is looking for men and women between the ages of 18 and 45 who are a bit overweight and have been getting less than 6.5 hours of sleep on average each night. They'll need to be generally healthy, so people with serious health issues or those taking certain medications won’t be able to join. If you're pregnant or recently had a big weight change, this study won't be right for you either.
Think this trial could be right for you?
Answer three quick questions written from this study's own rules to see if you may qualify. No account needed to find out.
The overall goal is to examine the efficacy of a circadian intervention in people with overweight and obesity and habitual short sleep duration (HSSD). Participants will undergo a randomized controlled trial, with circadian intervention and control (healthy lifestyle) groups. The circadian intervention is designed to reduce nighttime light exposure and after-dinner snack food intake. Alternatively…
The overall goal is to examine the efficacy of a circadian intervention in people with overweight and obesity and habitual short sleep duration (HSSD). Participants will undergo a randomized controlled trial, with circadian intervention and control (healthy lifestyle) groups. The circadian intervention is designed to reduce nighttime light exposure and after-dinner snack food intake. Alternatively, the control group will receive basic health information (e.g., physical activity, goal setting, and nutrition when eating out).
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Age: 18-45 years old; equal numbers of men and women
2. Body mass index (BMI): 25.0-34.9 kg/m2,
3. Sleep Habits: habitual self-reported average total sleep time (TST) \<6.5 hours per night for prior 6 months
Exclusion Criteria:
1. Clinically diagnosed sleep disorder or majo…
Inclusion Criteria:
1. Age: 18-45 years old; equal numbers of men and women
2. Body mass index (BMI): 25.0-34.9 kg/m2,
3. Sleep Habits: habitual self-reported average total sleep time (TST) \<6.5 hours per night for prior 6 months
Exclusion Criteria:
1. Clinically diagnosed sleep disorder or major psychiatric illness
2. Evidence of significant organ dysfunction or disease (e.g., diagnosed diabetes, cardiovascular disease, or kidney disease)
3. Use of prescription drugs or substances known to influence sleep or glucose metabolism
4. Shift-work: current or history of within last year
5. Weight change: \>10% of body weight over prior six months
6. Experiencing menopause or post-menopausal
7. Current enrollment in weight loss or physical activity program like the Diabetes Prevention Program
8. Currently pregnant or planning to become pregnant, or currently lactating.
9. Currently smoking
10. Alcohol intake \>3 drinks per day or \>14 drinks per week
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