Mental Floss

NEWS

















Feeling sleepy? Don't be so quick to blame the tryptophan.

Why do people have such a hard time staying awake after Thanksgiving dinner? Most people blame tryptophan, but that's not really the main culprit.

Matt Soniak








iStock/MichaelSvoboda

Think of it as a big, wet, sloppy way of saying "I love you."

Natalie Zamora