RecruitingClinical trialFeasibility of Light Therapy in the Pediatric Intensive Care Unit (ICU)The goal of this clinical trial is to understand how easy or difficult it is for critically ill children (4-17 years old) to have light therapy while in the pediatric ICU. Participants will have a light meter at their bedside to measure light levels. Each morning, a light box will be placed at their bedside. Children, family, and staff will be asked to completed feedback surveys regarding the light therapy. Study participation will continue for a maximum of 5 days.