| web | http://associationsnow.com/2017/04/night-owl-genetic-new-study-says-might/ |
| author | Lisa Zimmermann |
| publication | Associations Now |
| date | 2017-04-18 |
| web | Alina Patke, Patricia J. Murph... | Cell | 2017-04-06 | |
| web | Brandie Weikle | CBC News | 2017-04-13 |
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