June 16, 2009 3:10 pm Set a Bedtime for Your Teens New research shows that staying up late can actually have some serious consequences for teenagers. US & World Videos 1:20 Gigi Hadid wows in sweeping Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 1:12 Ariana Grande channels Glinda at 2024 Met Gala 3:45 Gabrielle Union and Dwyane Wade's daughter had cutest reaction to mom's Met Gala dress 1:35 Rita Ora reveals Taika Waititi's last-minute change to her Met Gala dress: ‘Thank God'