If You Don't Understand Adenosine, You Don't Understand Tiredness

If you don't understand adenosine, you don't understand tiredness. It's why you hit a wall every afternoon, why coffee never actually gives you energy, and why six hours of sleep feels fine when it isn't. Here's what the research shows, and what actually works. 0:00 The 3 p.m. wall 0:57 A poet, a chemist and a cat 1:54 What tiredness really is 3:14 What coffee actually does 4:19 The tiredness you can't feel 5:56 The coffee loop 6:51 What actually works 8:17 You've been awake #sleep #psychology #coffee