Dec. 22, 2022 – Falling asleep later and waking up later this time of year? It could be you need to reset your sleep/wake clock. Going outside to get more daylight exposure – especially during the morning – might help, new evidence suggests. 

Yes, the use of electric lights and screens in the evening can mess with your sleep, but that’s not the whole picture, says Horacio de la Iglesia, PhD, a professor of biology at the University of Washington in Seattle. In fact, daylight is considerably brighter, even on an overcast day, compared to indoor lighting. So they’re not the…


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