Why do teenagers find it so hard to wake up early?
Research suggests that teenagers' reluctance to get up in the morning might be driven by biology rather than laziness.
Dr Paul Kelley is Honorary Associate: Sleep, Circadian and Memory Neuroscience, Learning and Teaching Innovation, The Open University, UK. From 2014-2016 he was Honorary Clinical Research Associate in the University of Oxford’s Sleep and Circadian Neuroscience Institute. Kelley's research focuses on time in human neuroscience.