National Poll: How much do you sleep? Less than eight hours or More than eight hours?

Less than eight hours: 55.3%
More than eight hours: 44.7%
Men: 57.1% 42.9%
Women: 51.7% 48.3%
Prediction Accuracy: 65.2%

Both my wife and I swear we had this question before, but I obviously don't have the results for it. If it did happen, it must have been before I started collecting results. Does anyone else remember answering this one? Maybe it was a worldwide poll...