Here’s the Scientific Reason for Why You’ve Been Getting Tired Earlier.<br />On top of everything that’s happened <br />in 2020, you may also be wondering <br />why you’re so tired by 5:30 p.m.<br />According to psychologist S. Mason Garrison, <br />the brain hormone, cortisol, may be responsible.<br />Cortisol is a stress hormone that <br />also regulates some of the body's <br />natural cycles, like sleep, S. Mason Garrison, via Bustle.<br />And when we are in a <br />constant state of stress those <br />levels become elevated, S. Mason Garrison, via Bustle.<br />A 2015 study from journal <br />‘Biological Psychology’ showed <br />that changes in cortisol levels led <br />to skewed perceptions of time. .<br />Combined with the end <br />of daylight savings, the <br />body may have additional <br />trouble adjusting.<br />If your rhythms are off, starting <br />your day earlier or speaking <br />to a therapist may help
