Do you need to turn the lights off when you leave a room? Experts have ended this time-honored debate once and for all

A bedroom with a blue patterned headboard, a wall mounted bedside lamp, and painted nightstand. .

Being called from across the house to be asked why all the lights are on in an empty room is a childhood experience many of us had, instilling in us the need to switch off all lighting whenever we leave a room.

But do you still need to turn the lights off when you leave a room, considering today's advancements in energy-saving bulbs?