Edwina Brocklesby: 'My sons join me on triathlons - we jump in the river together'

The athlete and fitness charity founder, 75, on cheerleading and swimming with manta rays I sleep brilliantly - not enough, but brilliantly. I rarely get eight hours; my Fitbit says it's somewhere between six and seven a night. I avoid looking at my phone; I'm always telling my children about the impact of blue light, so I can't nag them and do it myself. Related: Laura Kenny: 'I used to eat spaghetti hoops on toast before training'