How old is the snake? The older the snake is the longer in between sheds so the shed cycle is possibly longer. If the humidity is low the snake might be waiting until it has enough moisture (because shedding takes moisture to work). how often are you feeding? Digestion also takes moisture and if a snake doesn’t have enough moisture it might wait until after digestion to shed. I’m not positive but all I can think of is longer cycles and a constant cycle of waiting.
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