abc's sara haines has the details "(sara on tape sleepy in the morning) it's xx am... whatever the recommended amount of sleep is... i did not get it. which means i need coffee, a muffin, and anything else that will help wake me up stat. a new center for disease control study reveals more than a third of americs don't get enough sleep, and how well you snooze could all depend on where you tuck in at night. according to the survey, the groggiest americans tend to be in the southeast... but the (full screen) [10 sec] despite the laid-back lifestyle, just 56% of hawaiians reported getting the recommended seven or more hours of sleep per night. maybe it's all the fresh kauai coffee? coffee plantation sot - we love coffee! or who can sleep when there's so much surfing to be done? surfer/beachgoer you can do stuff all day and all night, who wouldn't love that but in south dakota-- you can count on getting all your z's. it takes the number napping all fifty what's their secret? the fresh air? the mattresses? comfort king sot or are south dakotans just plain tuckered out after