Ever wonder why your skin looks extra dull after a rough night? It’s not just...

https://wiki-legion.win/index.php/L-theanine_for_sleep:_is_it_good_for_racing_thoughts%3F

Ever wonder why your skin looks extra dull after a rough night? It’s not just in your head. When we miss out on deep sleep, our cortisol levels spike and wreak havoc on our skin’s natural barrier function