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Relationships of beverage consumption and actigraphy-assessed sleep parameters among urban-dwelling youth from Mexico
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Relationships of beverage consumption and actigraphy-assessed sleep parameters among urban-dwelling youth from Mexico
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Journal Article
Relationships of beverage consumption and actigraphy-assessed sleep parameters among urban-dwelling youth from Mexico
2022
Overview
To examine whether usual beverage intake was associated with sleep timing, duration and fragmentation among adolescents.
Usual beverage intake was assessed with a FFQ. Outcomes included sleep duration, midpoint (median of bed and wake times) and fragmentation, assessed with 7-d actigraphy. Sex-stratified linear regression was conducted with sleep characteristics as separate outcomes and quantiles of energy-adjusted beverage intake as exposures, accounting for age, maternal education, physical activity and smoking.
Mexico City.
528 adolescents residing in Mexico City enrolled in a longitudinal cohort.
The mean age (sd) was 14·4 (2·1) years; 48 % were male. Among males, milk and water consumption were associated with longer weekday sleep duration (25 (95 % CI 1, 48) and 26 (95 % CI 4, 47) more minutes, in the 4th compared to the 1st quartile); and higher 100 % fruit juice consumption was related to earlier weekday sleep timing (-22 (95 % CI -28, 1) minutes in the 1st compared to the last quantile;
= 0·03). Among females, soda was associated with higher sleep fragmentation (1·6 (95 % CI 0·4, 2·8) % in the 4th compared to the 1st), and coffee/tea consumption was related to shorter weekend sleep duration (-23 (95 % CI -44, 2) minutes in the 4th compared to the 1st).
Among females, adverse associations with sleep were observed for caffeinated drinks, while males with higher consumption of healthier beverage options (water, milk and 100 % juice) had evidence of longer and earlier-timed sleep. Potential mechanisms involving melatonin and tryptophan should be further investigated.
