The thing is, screens emit some blue light, too, which tricks the ganglion cells into thinking there's still some daylight out there so it's not time to sleep just yet.
Because the Earth's axis is tilted, the length of a day changes during the course of a year, with the longest stretch of daylight in midsummer, and the shortest day falling in midwinter.
So with all that extra space and all that extra daylight, don't " Juneau" we're taking a tour of Juneau as part of our new partnership with CNN Travel.
He didn't see the owls swooping past in broad daylight, though people down in the street did; they pointed and gazed open- mouthed as owl after owl sped over head.