paul ebben looks closer to see if the dream of a few more hours of sleep will ever become reality. it's tonight's eye on education. >> reporter: the school bus roll in early at newton north high school. is it tough to get up and be here by 7:40. >> definitely interwas late this morning. >> reporter: and classes begin at 7:50. can't think in the morning. >> i don't get a lot of sleep and it would be super nice to start school a little later. >> reporter: to help the busy teens get more sleep, newton is now looking into the possibility of a later high school start time. >> research is so overwhelming and study continue to come out -- studies continue to come south saying later start times is healthier. >> reporter: the american academy of pediatrics recommend mide and -- middle and high schools delay start to 8:30 or later. harvard researchers found 16 years old could benefit from a 10:00 start time. and an hour later could be bet for 18 -- best for 18-year-olds noteasy. >> if it was simple smart long time ages. >> reporter: after school sports -- ago. >> reporter: after school sport

paul ebben is here with more -- paula ebben is here with more. >> reporter: the moments were pulled to safety. all cold but in good spirits after being trapped for 10 hours, 900 feet below ground. this all happened when an elevator broke down in a central new york salt mine. officials say the miners huddled together to keep warm and blankets and supplies were lowered to them until a crane could be brought in. the mine manager calls these men inspiring. >> in true fashion they waited until the last one was up until they wouldr altogether. >> reporter: op -- they were altogether. >> reporter: operation mints are -- operations at the mine are on hold. >> thanks. >>> now to the developing story in paris tonight where french police say a man with a knife was yelling and trying to get into the police station when officers had to shoot and kill him. liam martin is live with the latest. >> reporter: the paris prosecutor's office is opening a terrorism investigation. they say the man showed up at a paris police station with a butcher knife wearing what they later discovered were fake explosives