New Research on Productivity of 'Night Owls' and 'Early Birds'

A study published in the journal Pediatrics found how long you sleep is just as important as when you sleep.
8:37 | 11/14/16

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Transcript for New Research on Productivity of 'Night Owls' and 'Early Birds'
Well, we are energized this Monday morning. What do you got, Amy? I was going to ask how many here are morning people? Early birds? You are, robin? How many are night owls? Apparently -- you're both. Oh, okay, that's cool. Is this We sealed the deal. You to fight general et IX. It's in your DNA. It doesn't matter if you're a night owl, you still feel like crap in the morning. I feel a lot better about that. They say that's why you might see noigt owls be coffee addicts. You're trying to pep yourself up. You're batter for former at night no matter how much you fight it. I agree. I'm definitely an early bird. I am now. But not by nature. I think by nurture. By this job. Think if I had my way. By torture. Every single job I have had -- starting with news 1 long Island. I was always the morning reporter. We were both in sport. You are nocturnal when you're covering sports. Now, good morning, America. Got keep fighting it. Sleep when you can. What about -- Early birds, you're just lucky. Born lucky. Okay. Have you heard about, you know, whistle while you work? You have heard that. How about singing while you work? There's a cashier in Michigan. He serenades his customers. It went online -- His name is Lucas Holliday. A customer posted it online. It went crazy. Here's a look. ??? You're the highest of the high ??? ??? and if you don't know then I'll say it so don't ever wonder ??? Wow, he can sing. His name is Lucas Holliday. And you -- and he's joining us. Hello, Lucas. Good morning to you. Hey. Hey, hi, guys. Hi, everybody. How you doing? Miss robin, how you doing? Oh, so -- such a gentleman. So nice. Do you sing for all your customers? Uh, I would have to say when at least those who know, know about it, yeah. It's definitely a crazy thing. Somebody will come in. I might be humming or something like this. But all of a sudden, I might burst out if they ask me. So you only do it on request? You never surprise people? Sometimes I'll just -- like I say, I'll be humming. Sometimes I get blue. Gloomy when I'm working. Or stressed. You know how it is. In any case, I'll just bust out. I'll bust out and the it's craze zoi watch people like just spread that kind of positivity. Are you bosses okay with it? I hope? Uh, yeah, yeah, yeah. My boss -- you know. She has her moments where she's like, she's got to go and help people out because I'm doing something else with singing. And recently. The last -- since this has happened. Getting calls all over the place. Didn't you get a wedding gig? You're in band? Yeah, yeah, hopefully. My band is tell Yo mama. It's a funk band. Talented. Right, right. Tell you mama. Tell Yo mama. And the way you say it, you really sell it. Well, we know that the song that was posted is a Maxwell song. He tweeted you. We saw that tweet. We did one better for you. Here's a message from Maxwell to you, Lucas. Hey, Lucas. This is max. I say your video. You're sing "Ascension." You sound unbelievable. I wanted to invite you on stage at my Detroit show this Friday. Hopefully you'll join us. Congratulations. You have a sick amazing voice. Please, yes, please. Please, please, lord, please. It's gonna happen. It's gonna happen. As we go away, we gotta hear a little from you. Give us a little bit. All right. All right. Let me sing. Let me sing. ??? But our room is not a house ??? Incredible. ??? And a house is not a home when the two of us are far apart ??? Yeah! ??? Hey, in our heart ??? Thank you, Lucas. Thank you, Lucas. Thank you. That was -- Thank you, miss robin. Thank you, guys. Oh, my lord. Luther, where are you Luther? You were channeling. You're going to see Maxwell on Friday. We're going to be there. To sing like that so early in the morning. So good. Thank you, Luther. I mean, Lucas. His expression. Knowing he's going the see Maxwell and sing with him. He's gonna tell his mama. He got that right. The band name, by the way tell Yo mama. Finally, a magical first look this morning. One of our favorite Disney classics, getting a whole new live-action look next March. Fans cannot wait. We don't blame you. We have your first invitation to be our guest. Watch the world premier of "Beauty and the beast." ??? ??? ??? Papa. Belle, you must leave here. This castle is alive. Who's there? Do you wish to take your father's place? Come into the light. ??? Show me the girl. Look at her. What if she is the one? The one who will break the spell? Hello. You can talk. Well, of course he can talk. Hello, pleased to meet you. The master's not as terrible as he appears. ??? I say we kill the beast! Think of the one thing you have always wanted. And find it in your mind's eye and feel it in your heart. No! Don't be afraid. I'm not afraid. ??? So excited. So excited. Looking good. Wow. As you saw, Emma Watson plays belle. She's moving on from her Harry potter days. Dan Stevens. I don't know if you recognized him, from Downen abbey, plays the beast. A couple of other names. Ewan McGregor. Ian mckellen. And Emma Thompson. Wow, so good. It's going to be fantastic. It's going to be great.

This transcript has been automatically generated and may not be 100% accurate.

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