Up to 20,000 kids around the world snuggled up in their sleeping bags on Saturday night to help set a new world record for biggest sleepover across 24 hours!
The giant sleepover was organised to help raise money for children's charities. These girls got the chance to feel like giants in Legoland's model world!
These brave souls from a youth club in Luton spent the night in the London Dungeon! Let's hope they didn't have too many nightmares!
Check out this England fan! But it wasn't just British kids taking part - there were sleepovers in Australia, Bermuda, Brunei, Germany, New Zealand and the Falkland Islands too!
Could you 'bear' to spend the night in a huge toy store? Well, that's what these scouts from London got to do!
They slept on a huge blow-up bed that was 17 metres wide!