Dan Scarbrough, Dr. Sophie Bostock, Katya Jones, Dr. Xand Van Tulleken, Simon Reeve

We hear from former England rugby player Dan Scarbrough as he speaks out about living with early-onset dementia, sleep expert Dr Sophie Bostock tells us how to adjust our bodies after losing an hour's sleep, and Katya Jones has an energising workout that will put a spring back in your step.