Sleep patterns alter as children enter adolescence as a result of changes in hormones, including the sleep hormone melatonin. The combination of late nights and early mornings, long weekend sleep ins, technology use and social media can lead to many teenagers becoming sleep deprived. Dr Sarah Blunden is a sleep researcher and clinical psychologist who works with parents, teens and children around sleep. On behalf of Parenting SA, Dr Blunden discusses the importance of sleep for teenagers. She helps parents understand teen sleep patterns, the things that impact them as well as some useful tips to help teens get enough sleep.