Unplug the Vampires — Double Up

Quick quiz

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

1. 1. Why should you decide what you want before opening the fridge?

   The light bulb overheatsIt resets the thermostatFood spoils instantly when exposedCold air spills out and the fridge works to cool down again

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

   About 30–60 minutes5 hoursRight as you lie down1 minute

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

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

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

   Blue light and stimulation delay the sleep hormone melatoninPhones heat the roomIt doesn't affect sleepScreens use too much electricity