Abstract
Background & AimsMeal timing is an emerging branch of science that investigates the influence of eating patterns on the circadian rhythm and overall health. There are still discrepancies in the literature as to whether late distribution of food intake and sleep disorders could impact biochemical, anthropometric, and cardiovascular markers. The objectives of this study were firstly observe skipping breakfast and sleep disorders over 12 months. Secondarily, analyze the individual influence of these findings on changes biochemical, anthropometric, and cardiovascular markers during the same period. MethodsThis descriptive study is part of a tertiary analysis in a recently published study. This research recruited 84 participants with Type 2 Diabetes (T2D) who were divided: Control-40 participants received only medical care; Intervention-44 participants received the same medical care along with nutritional assessment. Consultations occurred quarterly over 12th months, and a follow-up was conducted after 3 months. For influence analysis, non-normal variables were compared using Mann-Whitney, while normal variables were compared using unpaired t-tests. In all instances, α = 0.05 and P < 0.05 were adopted. ResultsAnalysis revealed a high percentage of patients in both groups who skipped breakfast, slept less than 6 hours, and experienced nighttime awakenings during the 1st visit. By the 12th month, there was deterioration in all data in the control group and significant improvement in the intervention group. Those with sleep disturbances also had lower HDL-cholesterol (HDL-C) values (p=0.0054). For the other analyzes no significant differences were found. ConclusionParticipants who skipped breakfast and had more nocturnal awakenings possibly had worse glycemic and weight control, but this difference was not statistically significant and only trends were observed. Sleep disorders could affect HDL-C levels. However, the influence analysis does not establish a causal relationship and more clinical trials are needed to analyze this topic on T2D.
Published Version
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