Sleep quality, sleep duration and physical activity in obese adolescents: effects of exercise training.
Pediatr Obes
; 11(1): 26-32, 2016 Feb.
Article
em En
| MEDLINE
| ID: mdl-25727885
ABSTRACT
BACKGROUND:
Decreased sleep duration and altered sleep quality are risk factors for obesity in youth. Structured exercise training has been shown to increase sleep duration and improve sleep quality.OBJECTIVES:
This study aimed at evaluating the impact of exercise training for improving sleep duration, sleep quality and physical activity in obese adolescents (OB).METHODS:
Twenty OB (age 14.5 ± 1.5 years; body mass index 34.0 ± 4.7 kg m(-2) ) and 20 healthy-weight adolescents (HW) completed an overnight polysomnography and wore an accelerometer (SenseWear Bodymedia) for 7 days. OB participated in a 12-week supervised exercise-training programme consisting of 180 min of exercise weekly. Exercise training was a combination of aerobic exercise and resistance training.RESULTS:
Sleep duration was greater in HW compared with OB (P < 0.05). OB presented higher apnoea-hypopnoea index than HW (P < 0.05). Physical activity (average daily metabolic equivalent of tasks [METs]) by accelerometer was lower in OB (P < 0.05). After exercise training, obese adolescents increased their sleep duration (+64.4 min; effect size 0.88; P = 0.025) and sleep efficiency (+7.6%; effect size 0.76; P = 0.028). Physical activity levels were increased in OB as evidenced by increased steps per day and average daily METs (P < 0.05). Improved sleep duration was associated with improved average daily METs (r = 0.48, P = 0.04).CONCLUSION:
The present study confirms altered sleep duration and quality in OB. Exercise training improves sleep duration, sleep quality and physical activity.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Sono
/
Terapia por Exercício
/
Programas de Redução de Peso
/
Obesidade Infantil
Tipo de estudo:
Etiology_studies
/
Evaluation_studies
/
Risk_factors_studies
Limite:
Adolescent
/
Female
/
Humans
/
Male
Idioma:
En
Ano de publicação:
2016
Tipo de documento:
Article