Decided to move Alice back to aspen shavings after using cyprus mulch for the past couple of months. When I put her back in her habitat, she immediately started to tunnel again. She could tunnel in the cyprus, however it was much harder and you still have to keep misting it to keep the humidity up. Going back to providing a humid hide for when she wants to use it. She loves to curl up on sphagnum moss.
I do like the cyprus mulch though and will still use that for snakes that are not as prone to digging/tunneling.