By Jennifer Falbe, ScD, MPH, Kirsten K. Davison, PhDb, Rebecca L. Franckle, MPH, Claudia Ganter, MPHb, Steven L. Gortmaker, PhDc, Lauren Smith, MD, MPH, Thomas Land, PhD, and Elsie M. Taveras, MD, MPH

From Pediatrics (Volume 135, Number 2, February 2015)

Associations of inadequate sleep with numerous health outcomes abstract  among youth necessitate identifying its modifi able determinants. Television (TV) has been associated with sleep curtailment, but little is known about small screens (eg, smartphones), which can be used in bed and emit notifi cations. Therefore, we examined associations of different screens in sleep environments with sleep duration and perceived insuffi cient rest or sleep.