Celebrate World Sleep Day like a Sea Creature

admin
, 15 March 2024
Celebrate World Sleep Day like a Sea Creature
Cuckoo Wrasse © Rob Goldsmith

Alicja Szalanska

Wild Coast Sussex Volunteer 

On March 15th, it's World Sleep Day – a time to celebrate the power of a good night's rest. But did you know that even our underwater sea friends are masters of the snooze?

Take the quirky Cuckoo Wrasse, that can be found in Sussex. Unlike most fish who drift off horizontally, this little guy takes things to a whole new level. He props himself up on a coral ledge at night, leaning on just one side! Scientists believe this unusual posture helps him stay hidden from predators while catching some shut-eye. Talk about sleeping soundly!

While the Cuckoo Wrasse takes unconventional naps, other sea creatures prioritise comfort. Sharks, for instance, don't have bladders to keep them afloat. So, how do they sleep? Some larger shark species like the Basking Shark actually enter a state of "tonic immobility," where they become almost completely still in the water column, allowing them to rest without sinking.

But sleep isn't just about getting some rest. For many marine animals, it's a crucial time for growth and repair. Octopus, for example, are known to change colour and even lose consciousness while sleeping! This deep sleep allows them to process information from the day and consolidate their memories.

So, this World Sleep Day, take inspiration from our underwater neighbours. Create a relaxing bedtime routine, prioritise a cool and dark sleeping environment, and avoid screens before bed. After all, even the quirkiest sea creatures know the importance of a good night's sleep!

By following these tips, you'll be well on your way to feeling refreshed and recharged, just like a well-rested wrasse or a snoozing shark. Remember, getting enough sleep is vital for our health and well-being, both on land and in the sea.

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