title: Longitudinal association between short sleep, body weight, and emotional and learning problems in Hispanic and Caucasian children.
abstract: OBJECTIVE
  To determine the impact of lower amounts of childhood sleep assessed by polysomnogram on development of obesity, being anxious or depressed, or having learning problems 5 years later.
  
  
  METHODS
  Prospective cohort.
  
  
  METHODS
  Subjects were 304 community participants from the Tucson Children's Assessment of Sleep Apnea study, aged 6-12 years old at baseline.
  
  
  RESULTS
  Children were classified according to baseline sleep as those who slept ≥ 9 h/night, those who slept > 7.5 to < 9 h/night, and those who slept ≤ 7.5 h/night. Odds of overweight/obese (≥ 85(th) BMI percentile), obese (≥ 95(th) BMI percentile), anxious or depressed, and learning problems at follow-up were assessed according to baseline sleep categories. Children who slept ≤ 7.5 h/night had higher odds of being obese (OR = 3.3, P < 0.05) at follow-up than children who slept ≥ 9 h/night. Borderline significance for overweight/obese (OR = 2.2, P < 0.1), anxious or depressed (OR = 3.3, P < 0.1), and having learning problems (OR = 11.1, P < 0.1) were seen for children who slept ≤ 7.5 h/night as compared to those who slept ≥ 9 h/night. A mean increase in BMI of 1.7 kg/m(2) (P = 0.01) over the 5 years of follow-up was seen for children who slept ≤ 7.5 h/night compared to those who slept ≥ 9 h/night. These relationships did not differ between Hispanic and Caucasian children.
  
  
  CONCLUSIONS
  Children with reduced amounts of sleep (≤ 7.5 h/night) had an increased risk for higher body weight in early adolescence. Similarly, children who slept ≤ 7.5 h/night had higher risk of being anxious or depressed or having learning problems in early adolescence.
authors: College of Nursing & Health Innovation, Arizona State University, Phoenix, AZ 85004-0698, USA. graciela.silva@asu.edu
authors: Graciela E
authors: GE
authors: Silva
authors: James L
authors: JL
authors: Goodwin
authors: Sairam
authors: S
authors: Parthasarathy
authors: Duane L
authors: DL
authors: Sherrill
authors: Kimberly D
authors: KD
authors: Vana
authors: Amy A
authors: AA
authors: Drescher
authors: Stuart F
authors: SF
authors: Quan
mesh_terms: D000293:Adolescent; D001008:Anxiety Disorders / Q000150:complications / Q000208:ethnology; D002648:Child; D015331:Cohort Studies; D003866:Depressive Disorder / Q000150:complications / Q000208:ethnology*; D005260:Female; D006630:Hispanic or Latino; D006801:Humans; D007859:Learning Disabilities / Q000150:complications / Q000208:ethnology*; D008297:Male; D009765:Obesity / Q000150:complications / Q000208:ethnology*; D012891:Sleep Apnea Syndromes / Q000150:complications / Q000208:ethnology* / Q000523:psychology; D044465:White People