How active do I need to be?
Aim to do 30 minutes of moderate exercise five times a week. It may sound like a lot, but it isn’t as daunting as it first appears. 'Moderate exercise' means being energetic enough that you:
breathe a little heavier than normal, but aren’t out of breath
feel warmer, but don’t end up hot and sweaty
You don’t have to jump in a the deep end. Build up slowly, at a pace that suits you. You might like to do 30 minutes per day, or you may prefer two split your time into two 15 minute sessions - it's entirely up to you!