Thursday, July 29, 2004
You are getting verrrry sleepyy...
Actually, I am very sleepy. Was at work till
When you exercise, however, it turns out that your brain is what makes you feel tired, as opposed to your muscles. The hormone Interleukin 6 (IL6) was elevated in athletes after a big workout, and injecting them with it made them feel tired. So just like Coach said: it's all in you head!