Catching the Z bug

You’re minding your own business, getting ready for the morning office meeting, when your colleague lets out a yawn. Before you realise it, you (and the rest of your workmates) are doing the same thing! Have you heard that yawning is contagious? Can it actually be true? Here’s your chance to learn something while wanting to catch some Zs!

See all-new Mythbusters on Discovery Channel, Sundays at 9pm