It actually isn't, because most home lighting is far less intense than the sun and the wrong spectrum to boot. Light therapy works but sitting in front of a bi

It actually isn't, because most home lighting is far less intense than the sun and the wrong spectrum to boot. Light therapy works but sitting in front of a big bright box is not terribly convenient or fun. And if your blackout curtains don't work, get better ones. Many Nordic households have double curtains, one solid plastic to block the vast majority of the light and the other from cloth to diffuse/block the rest and look pretty.