Using a screen at night messes with your sleep, but let's be honest: we all do it anyway. To lessen the problem, use the smallest screen possible.
Photo by ToastyKen
Fast Company shares a few tips for those of us who refuse to power down our devices at the end of the nigh, interviewing Dr Mariana Figueiro, program director at the Lighting Research Center at Rensselaer Polytechnic Institute. One tip Figueiro suggested was to keep the screen small:
What matters is the amount of light, especially short-wavelength (blue) light reaching the retina. A device that emits more blue light will be more effective at suppressing melatonin," says Figueiro. "An iPad has the potential to impact us more than an iPhone because it is larger and typically emits more light."
Obviously it's best to say no to technology at night, but if you're deciding between a laptop, tablet or phone, choose the phone. Check out the link for other tips for getting a good night's sleep.