Night owls are drunker, smarter, and get more booty–but morning types may be happier.
Chances are you already know whether you’re a morning person or a night person (and if you don’t, just ask your significant other). What you might not know is that social scientists use pretty specific—and, by academic standards, pretty casual—names for these two chronotypes. “Larks” are up and at it early in the morning, and tend to hit the sack at a respectable evening hour; “owls” are most alert at night, and typically turn in long after dark.