Move for 20 Minutes — 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. Why do screens before bed make it harder to fall asleep?

   Screens use too much electricityBlue light and stimulation delay the sleep hormone melatoninIt doesn't affect sleepPhones heat the room

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

   About 30–60 minutes1 minute5 hoursRight as you lie down

3. 3. Which is good for your health and the planet?

   Sitting all dayIdling a carDriving short tripsWalking or biking

4. 4. Which of these is the best first step for less waste?

   Throw it in any binReduce what you useBurn itBuy a new one