My dominant crab sleeps like the dead, he has a couple choice spots that he has piled up mostly coco fibre and he sleeps with his head laying on the ground with all six front arms flat on the ground too. For the first year that I had him I was sure he was dead every time he did it...
This is not a great picture of it but it shows how he sleeps while doing it lol...
Then if you wake him up he slowly gets up and just waves his antenna at you like "what what!!, what did I miss...¿"
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