Sleep Timing, Eating and Activity Measurement Study

Description

There is strong reason to believe that sleep promotion during adolescence could yield long-term health rewards; the investigators' data show that, when they get more sleep, Morning Larks have impressively reduced intake of overall calories and foods high in glycemic load that are linked to long-term health risk. Before that can be translated into major public health interventions, however, the field needs to understand why similar changes in sleep had no effect, or even an adverse effect, on adolescent Night Owls. This experimental study will clarify why there have been such discrepant effects across Morning Larks and Night Owls, with the goal of more broadly harnessing the promise of improved sleep in the prevention of obesity and long-term morbidity.

Conditions

Sleep, Circadian Rhythm Disorders, Dietary Habits

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Study Overview

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Study Details

Study overview

There is strong reason to believe that sleep promotion during adolescence could yield long-term health rewards; the investigators' data show that, when they get more sleep, Morning Larks have impressively reduced intake of overall calories and foods high in glycemic load that are linked to long-term health risk. Before that can be translated into major public health interventions, however, the field needs to understand why similar changes in sleep had no effect, or even an adverse effect, on adolescent Night Owls. This experimental study will clarify why there have been such discrepant effects across Morning Larks and Night Owls, with the goal of more broadly harnessing the promise of improved sleep in the prevention of obesity and long-term morbidity.

Impact of Well-Timed vs. Mis-timed Sleep Extension on Adolescents' Dietary Intake

Sleep Timing, Eating and Activity Measurement Study

Condition
Sleep
Intervention / Treatment

-

Contacts and Locations

Cincinnati

Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States, 45229

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • 1. Obesity, because findings are meant to inform obesity-prevention efforts
  • 2. Use of a psychiatric medication or other drug with known effects on sleep, weight, or dietary behaviors.
  • 3. Intellectual disability (aka mental retardation)
  • 4. Symptoms of insomnia, obstructive sleep apnea or periodic limb movement disorder, which could mask the effects of the sleep manipulation.
  • 5. Work or other obligations that require bedtime later than 9:30 pm or waking prior to 10 am (earliest bedtime and latest rise time possible during sleep extension) during the final week of the study, or other scheduling obligations that preclude participation.
  • 6. Daily consumption of \>1 coffee or "energy drink" or \>2 caffeinated sodas.
  • 7. Currently diagnosed neurologic illness, history of seizures, or history of head injury resulting in loss of consciousness \>1 min.
  • 8. Refusal to refrain from automobile driving during the sleep restriction period of the study.
  • 9. Symptoms of clinical depression, bipolar disorder, or psychosis.

Ages Eligible for Study

14 Years to 18 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

Yes

Collaborators and Investigators

Children's Hospital Medical Center, Cincinnati,

Dean W Beebe, PhD, PRINCIPAL_INVESTIGATOR, Cincinnati Children's

Study Record Dates

2025-08