Status:
COMPLETED
Effects of Time of Sleep Restriction in Obesity
Lead Sponsor:
Federal University of São Paulo
Collaborating Sponsors:
Associacao Fundo de Incentivo a Psicofarmcologia
Centro de Estudos em Sonolência e Acidentes
Conditions:
Obesity
Sleep Restriction
Eligibility:
MALE
20-35 years
Brief Summary
The purpose of this study is to determine the effect of different time of sleep restriction on control of food intake and metabolism of obese and normal subjects.
Detailed Description
The reduction of sleep time has now become a common habit, driven by the demands and opportunities of modern society. Some studies have suggested that sleep restriction would be an important factor in...
Eligibility Criteria
Inclusion
- obese (BMI\>30) and normal weight (BMI between 19 and 24,9)
- regular time of sleep between 6.5 and 8 hours
Exclusion
- self-reported sleep problems (Pittsburgh Sleep Quality Index score \>5);
- Obstructive sleep apnea (AHI \> 5 in polysomnography)
- night work;
- variable sleep habits or habitual daytime naps;
- regular physical exercise (\>3 hours/week);
- excessive intake of alcohol (\>7 drinks/week);
- excessive intake of caffeine (\>300 mg/day);
- smoking;
- substance abuse;
- use of prescription medications or over-the-counter drugs affecting sleep or metabolism;
- chronic diseases (e.g. cancer, asthma, back pain, thyroid disease, heart disease, diabetes, etc.)
- history of neurological, medical or sleep disorders;
- trans-meridian travelling the last month;
- chronotype: extreme morning or extreme evening
- unable to comply with the protocol.
Key Trial Info
Start Date :
February 1 2009
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
June 1 2012
Estimated Enrollment :
20 Patients enrolled
Trial Details
Trial ID
NCT01259895
Start Date
February 1 2009
End Date
June 1 2012
Last Update
August 18 2014
Active Locations (1)
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1
Centro de Estudos em Psicobiologia e Exercicio (CEPE)
São Paulo, São Paulo, Brazil, 04020-060