But if you’re looking for a digital version, way back in 2011 we showcased [Justin]’s LED hack of FlorinC’s “Wise Clock”, which ingeniously emulated the Geochron’s day-night pattern ...

The best sunrise alarm clocks help you wake up gently and start your day energized. See our top picks from Hatch, Philips, Google and more.

As convenient as it might be to use your phone as an alarm clock, standalone ... you to see the time during the day but prevent the light from keeping you up at night when it’s time for bed.