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

i have so many people to thank. >> reporter: sara haines, abc news, new york. >> it looks like they had a great time. >> who do you have in your fantasy league to win it all? >> you know what? you know me and my fantasy league. oh, you, kendis gibson. >> wow. >> look at that. >> way look cut. >> how did they get that photo? >> took it from our facebook page. >> from our facebook page, of course it was. >> some pectoral muscles. >> yours or mine? hour.and the police have to be called out after a teen is beat up and robbed at gunpoint. town(split-screen)-hl we're just days away from our democratic caucus... bernie sanders and hillary clinton hoping to have some new supporters in las vegas this morning, after spending their whole weekend here! and the death of a supreme court justice has taken over the race for the white house. will the president announce a nominee? minute, but first greg-- we've got a major warm up in our still the main weather patterns we will be dealing with through today, tuesday and most of wednesday, mainly sunny skies will be common along with high temperatures rang