that Peak if you look at that c Peak when you're at your optimal it's both your optimal for your brain but it's also for your body it's the point at which your core body temperat just starts to Peak that's the moment where you have optimal physiology and when you look at world records that have been broken in the Olympics and you plot them on the basis of time of day you see this incredible beautiful Spike where most people are breaking World Records right in that Cadian sweet spot around that midday Peri period