date:Nov 09, 2018
its effectiveness, and your body builds up a tolerance more quickly. That's because our natural alertness is caused by the fluctuations in our hormones throughout the day, and the morning is when they are already naturally higher.
Cortisol is one of the key hormones in our circadian clocks, our sleep-awake cycle, which naturally cycles throughout the day. Generally, there's more cortisol cycling around in the morning to help you wake you up, and it slacks off at night, to help you feel tired a