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Abstract
STUDY OBJECTIVES:
We examined cross-sectional and prospective associations between sleep debt and adiposity measures, as well as homeostatic model assessment-insulin resistance (HOMA-IR) in early type 2 diabetes.
METHODS:
Prospective data analysis from participants of a randomized controlled trial based on an intensive lifestyle intervention (usual care, diet, or diet and physical activity). Data were collected at baseline, 6 months, and 12 months post-intervention. The study was performed across five secondary care centers in the United Kingdom. Patients (n = 593) with a recent diagnosis of type 2 diabetes were recruited. Objective height and weight were ascertained for obesity status (body mass index [BMI]; ≥30 kg/m2), waist circumference (cm) for central adiposity, and fasting blood samples drawn to examine insulin resistance. Seven-day sleep diaries were used to calculate weekday sleep debt at baseline, calculated as average weekend sleep duration minus average weekday sleep duration.
RESULTS:
At baseline, compared to those without weekday sleep debt, those with weekday sleep debt were 72% more likely to be obese (OR = 1.72 [95%CI:1.03-2.88]). At six months, weekday sleep debt was significantly associated with obesity and IR after adjustment, OR = 1.90 (95%CI:1.10-3.30), OR = 2.07 (95%CI:1.02-4.22), respectively. A further increase at 12 months was observed for sleep debt with obesity and IR: OR = 2.10 (95%CI:1.14-3.87), OR = 3.16 (95%CI:1.38-7.24), respectively. For every 30 minutes of weekday sleep debt, the risk of obesity and IR at 12 months increased by 18% and 41%, respectively.
CONCLUSIONS:
Sleep debt resulted in long-term metabolic disruption, which may promote the progression of type 2 diabetes in newly diagnosed patients. Sleep hygiene/ education could be an important factor for future interventions to target early diabetes.
We examined cross-sectional and prospective associations between sleep debt and adiposity measures, as well as homeostatic model assessment-insulin resistance (HOMA-IR) in early type 2 diabetes.
METHODS:
Prospective data analysis from participants of a randomized controlled trial based on an intensive lifestyle intervention (usual care, diet, or diet and physical activity). Data were collected at baseline, 6 months, and 12 months post-intervention. The study was performed across five secondary care centers in the United Kingdom. Patients (n = 593) with a recent diagnosis of type 2 diabetes were recruited. Objective height and weight were ascertained for obesity status (body mass index [BMI]; ≥30 kg/m2), waist circumference (cm) for central adiposity, and fasting blood samples drawn to examine insulin resistance. Seven-day sleep diaries were used to calculate weekday sleep debt at baseline, calculated as average weekend sleep duration minus average weekday sleep duration.
RESULTS:
At baseline, compared to those without weekday sleep debt, those with weekday sleep debt were 72% more likely to be obese (OR = 1.72 [95%CI:1.03-2.88]). At six months, weekday sleep debt was significantly associated with obesity and IR after adjustment, OR = 1.90 (95%CI:1.10-3.30), OR = 2.07 (95%CI:1.02-4.22), respectively. A further increase at 12 months was observed for sleep debt with obesity and IR: OR = 2.10 (95%CI:1.14-3.87), OR = 3.16 (95%CI:1.38-7.24), respectively. For every 30 minutes of weekday sleep debt, the risk of obesity and IR at 12 months increased by 18% and 41%, respectively.
CONCLUSIONS:
Sleep debt resulted in long-term metabolic disruption, which may promote the progression of type 2 diabetes in newly diagnosed patients. Sleep hygiene/ education could be an important factor for future interventions to target early diabetes.
Original language | English |
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Pages (from-to) | 673-680 |
Number of pages | 8 |
Journal | Journal of Clinical Sleep Medicine |
Volume | 12 |
Issue number | 5 |
Early online date | 15 Jan 2016 |
DOIs | |
Publication status | Published - 15 May 2016 |
Keywords
- insulin resistance
- type 2 diabetes mellitus
- sleep debt
- obesity
- body mass index
- waist circumference
- central adiposity
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Early ACTID : Early Activity In Diabetes
Cooper, A. R., Andrews, R. C., Dayan, C. M., Sharp, D. J., Peters, T. & Montgomery, A. A.
1/06/04 → …
Project: Research