From Twitter https://twitter.com/: Chem colleague Brian Zoltowski is featured in this NPR interview on the effects of blue light on sleep. @SMU_Chemistry @SMUDedman Apps Can Cut Blue Light From Devices, But Do They Help You Sleep? https://www.npr.org/sections/health-shots/2017/11/27/561740031/apps-can-cut-blue-light-from-devices-but-do-they-help-you-sleep?utm_campaign=storyshare