As if we needed a team of social scientists to to tell us... Most American mothers don't get enough sleep.

And moms who work full-time outside the home are suffering the most from sleep deprivation, with 59 percent of the full-time working mothers surveyed reporting insufficient sleep on a regular basis.

According to a Reuters report on the study, "The survey found 52 percent of America's mothers believed that getting more sleep would make them better parents and 65 percent said it would make them happier. But even when mothers do get into bed, many lie awake at night, with 36 percent obsessing about the next day's tasks, 25 percent stressing about the family's finances and 24 percent worrying about family issues."

Duh.