Impact of Sleep Duration on Immune Balance in Urban Children With Asthma

Inclusion: * Children 7-11 years old * Has physician-diagnosed asthma, per parent and pediatrician report * Meets criteria for current persistent asthma with a current prescription for an asthma controller medicine * Obtains 9.0-11.0 h of sleep per 24 h day in the past month * Has a positive allergy skin test performed at the clinic visit * Resides and attend school in one of the targeted urban areas (Rhode Island: East Providence, North Providence, Providence, Warwick, Cranston, Woonsocket, Central Falls, Pawtucket, Lincoln, Johnston. Massachusetts: Attleboro, North Attleboro, Fall River. * Has a primary caregiver who speaks English Exclusion: * No asthma diagnosis * No use of asthma controller medication * Severe persistent asthma that is poorly controlled * Diagnosis of additional pulmonary disease or medical condition or immune deficiency disorders * Use of systemic steroids \<30 days of screening * Asthma-related emergency department visit and/or asthma-related hospitalization in past 90 days * Marked developmental delay, psychiatric conditions, academic/behavioral problems, learning disabilities * Tanner stage 3-5 of pubertal development * Diagnosed ADHD; Use of stimulants to treat ADHD * An Apnea-Hypoxia Index \>5 (indicator of sleep disordered breathing)