And today we can download we all know the importance of exercise but does when you do it make a difference. Joining us now campaign co author of the new book planet. The scientific secrets of perfect timing dance has been to the question is yes. Think of morning morning. First quickly explain why timing matters well because we know from a rich body of science that our bodies and our brains do not stay the same throughout the day of our performance changes and very predictable sometimes dramatic ways. Over the course of the day both are cog that a performance. And our physical. It sees a really it's about what your goals are what you know your goals you can pick when you should exercise so what goals are best achieved by morning actress and morning exercises best if you want to lose weight we burn up more calories during morning exercise an exercise later in the day. Morning exercise also seems to be better for habit formation were more likely to stick to a routine when were exercise thing in the morning. The final resort I think is a really good reason for morning exercises at the special according to exercise gives you a very significant mood boost. And it lasts a pretty long time so you exercise later in the day you sleep away some of that move groups have actually really notice that so what's the case for accessing the afternoon it's a different case but it's it's a good case. On exercising in the late afternoon early evening is better if you want to avoid injury because our body temperature is higher we are literally more warmed up. That's the same reason that many people report that afternoon and evening exercise is more enjoyable it's less effort full. And that makes you more likely it is just keep doing it. And the final reason which is really interesting is you perform better later in the day. Our hand eye coordination is better. Our lung function is better our speed is better in fact there's a disproportionate number of world records that were set between 4 PM. And 7 PM especially in speed events I do both is laugh at such huge muscles cup Dan thank you are truly appreciated if you want to hear more my conversation with campaign check out the 10% happier podcast available wherever you get your podcasts.