Rise at 5am. Peel off the tape you’ve placed over your mouth to optimise the way you breathe when you’re dreaming. Immerse yourself in ice-cold water – it’s teeth-grittingly unpleasant, but someone on ...

Waiting until the last minute to begin work reports. Struggling to get yourself on the treadmill despite knowing how important it is. Low motivation to clean up a messy house that’s driving you crazy.

Having self-discipline isn't just about sticking to a routine, it's a mindset of refusing certain things because you know that they are bad for you. That is why those who are the most self-disciplined ...