Do you know your Grinch from your Gryla? The Sleep Matters Club has rounded up 24 Christmas creatures from around the world, scouring the darkest dungeons and coldest caverns. Some of them you welcome into your home, but others you definitely don’t want to be inviting inside. Each illustration is accompanied by a ‘naughty or nice’ rating, so you’ll be able to work out whether they’re safe to approach before they attack!
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