‘I don't do cheat days’: Dina Asher-Smith's work/life balance

The 22-year-old sprinter on being in bed by 10.30pm, food as fuel and needing to grow upSleep
I’m always in bed by 10.30pm, and my phone is off by 11pm. Sleep and training are my highest priorities and I need a minimum of eight hours’ sleep. You can train yourself to be better at it; I won’t lie on my bed unless I’m going to sleep. If I’m travelling to a different time zone, I’ll start adjusting before I leave. I’ll get up at 4am, even if I’m a zom