I thought about this the other night laying in the dark. My room is still pretty bright from all the lights from my things.
-Computer LED
-Monitor
-Monitor LED when off
-DiNovo mouse charger has a really bright LED
-Logitech Z3 wired remote has an LED
-Printer button has an LED
-Phone charger has an LED
-Battery charger has an LED
-Clock has LEDs
-Lamp emits light
h:
-Flashlight emits light.
h: