Unplug the Vampires — Three Days Running

Quick quiz

These ask about details you only notice by really doing the task. Get every one right to pass.

1. 1. After unplugging idle chargers, which device usually still draws standby power when left plugged in?

   A battery-free wall clockA disconnected extension cordA TV or console with a standby lightA wooden lamp switched off at the wall

2. 2. Why do screens before bed make it harder to fall asleep?

   Blue light and stimulation delay the sleep hormone melatoninScreens use too much electricityPhones heat the roomIt doesn't affect sleep

3. 3. You opened the curtains instead of using lights. When does that save the least?

   On a dark, overcast late afternoonOn a bright morningAround middayWhen the room faces the sun

4. 4. How long before bed do experts suggest putting screens away?

   About 30–60 minutesRight as you lie down1 minute5 hours