A google search confirms: "Time flies when you're having fun" is actually true, because the body's internal clock is influenced by dopamine. However, when the alarm goes off and I groggily stumble out of bed, it has been my life-long experience that times passes quickly. This seems like a contradiction. [more inside]
posted by proj08 on Apr 19, 2008 - 7 answers

Three weeks ago I went on a low-carb diet. I made it about a week. Ever since then, I've felt cloudy mentally. Did my body/brain chemistry really change that much in such a short time? [more inside]
posted by jbickers on Sep 27, 2007 - 10 answers

Why is it that when I sleep with an open window at night, I wake up way more energized? [more inside]
posted by |n$eCur3 on Feb 15, 2006 - 23 answers