Multilevel analysis of sleep quality and anger in emergency medical service workers-V8I3 Multilevel analysis of sleep quality and anger in emergency medical service workers-V8I3 Download The effect of mobile phone use at night on the sleep of pre-adolescent (8-11 year), early adolescent (12-14 year) and late adolescent (15-18 year) children: A study of 252,195 Australian children-V8I3 Rigorous performance evaluation (previously, “validation”) for informed use of new technologies for sleep health measurement-V8I3