Normal Night light Uses Most Electricity

While LED night lights can use less than a single watt. Running one traditional 7-watt night light all year long costs approximately six dollars' worth of energy.

Are night lights a waste of energy?

The Type of Night Light

The longer the night light is on, the more energy it uses. If you leave them on all night, your night lights might end up wasting a bit of energy, so you might want to try and use automatic night lights.

Can you leave a night light plugged in?

Night lights are generally very safe to leave on all night as long as you follow the manufacturer's instructions and take a few sensible precautions. LED lights are cool to the touch, so you needn't worry about kids or pets burning themselves on them.