Independent associations of sleep timing, duration and quality with adiposity and weight status in a national sample of adolescents: The UK Millennium Cohort Study.
J Sleep Res
; 31(1): e13436, 2022 02.
Article
en En
| MEDLINE
| ID: mdl-34291853
ABSTRACT
Short sleep appears to elevate obesity risk in youth; however, sleep is a multidimensional construct, and few studies have investigated parameters beyond duration. The objective of this study was to investigate if sleep onset time, duration, latency and night waking frequency are independently associated with adiposity and weight status in UK adolescents. This was a cross-sectional observational study of 10,619, 13-15 years olds. Adjusted linear and logistic regressions were used to investigate associations of self-reported sleep characteristics with adiposity markers (body mass index z-score and percent body fat) and weight status. Compared with a sleep onset before 10pm, later sleep timing was associated with higher adiposity and higher likelihood of overweight and obesity in boys (after midnight, odds ratio [95% confidence interval] 1.76 [1.19-2.60]) and girls (between 11pm and 1159pm 1.36 [1.17-1.65]). Sleeping ≤â
8 hr, compared with >â
9-10 hr, was associated with higher odds of overweight and obesity in both sexes (boys 1.80 [1.38-2.35]; girls 1.38 [1.06-1.79]), and so too was sleeping >â
10 hr in girls (1.31 [1.06-1.62]), indicating evidence for a U-shaped association. Also in girls, compared to a sleep latency of 16-30 min, sleep latencies ≥â
46 min were associated with higher adiposity (46-60 min, beta coefficient [95% confidence interval], percent body fat 1.47 [0.57-2.36]) and higher likelihood of overweight and obesity (46-60 min 1.39 [1.05-1.83]), and often as opposed to never waking in the night was associated with higher adiposity (body mass index z-score 0.24 [0.08-0.41]; percent body fat 1.44 [0.44-2.44]). Sleep duration and timing in both sexes, and sleep quality in girls, appear to be independently associated with adiposity and weight status in adolescence, and may be important targets for obesity prevention.
Palabras clave
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Adiposidad
/
Calidad del Sueño
Tipo de estudio:
Etiology_studies
/
Incidence_studies
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Observational_studies
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Prevalence_studies
/
Risk_factors_studies
Límite:
Adolescent
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Female
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Humans
/
Male
País/Región como asunto:
Europa
Idioma:
En
Revista:
J Sleep Res
Asunto de la revista:
PSICOFISIOLOGIA
Año:
2022
Tipo del documento:
Article
País de afiliación:
Reino Unido