0250 Greater Slow Wave Activity in Pre-pubertal Children Is Associated With Less Negative Emotional Responses the Following Day-V45IS1 0250 Greater Slow Wave Activity in Pre-pubertal Children Is Associated With Less Negative Emotional Responses the Following Day-V45IS1 Download 0249 Sleeping In to Avoid Acting Out: The Association Between Sleep Regularity and Emotion Regulation-V45IS1 0251 The role of parental absence and parental conflict on child and adolescent sleep-V45IS1