Blasphemy! Not carry a light...
It is better to have and not need, then to need and not have. Nuff Said!
I don't have a light in the shower (but one hangs next to the towel) nor when in bed (though the Headboard, Nightstand, Shelf, Chest of Drawers etc. are LITTERED with lights!).
When in undies and a T at home, when sitting on couch, light is just to my right. When at 'puter, just to the right and left. Also have a light just inside the front door, one in the kitchen, a couple in the garage...
And if I have jeans on (99% of the time when dressed) my ARC AAA and SL TT2L go with me, even sitting around the house.
Not carry any light? Pure craziness!