The American Academy of Pediatrics recommends that middle and high schools begin classes no earlier than 8:30 a.m. - but at some Maryland high schools the first bell rings soon after 7 a.m. Should schools push the snooze button? On this primary election day, we’ll start with an update of how things are going at the polls. Then: teenagers and sleep. As kids move through puberty, their biological sleep rhythms change and it is harder for them to wake up. We hear from some students, as well as from Terra Ziporyn Snider, co-founder of the Annapolis-based nonprofit, Start School Later, and Abby Beytin, president of the Teachers Association of Baltimore County.