Strange behaviour right after eating

So I just fed my 400g normal girl a large F/T ASF & aside from dunking it in her water (which she's never does) before gobbling it down, everything went fine.
Right after she got it's tail down, she let out 3 what looked & sounded like open mouth "coughs" or "hisses" about 5-10 seconds apart. She hasn't done it since (about 10 mins) and she seems content on her warm side now, so I'm just curious about any input you all may have. Do have of you have snakes that do/have done this? I've never seen it before!

Mine did something weird tonight too!!! Finished her 2nd mouse of the day, washed it down with a nice drink, and then proceeded to stretch herself pretty high up and opened and closed her mouth like 5 times <resetting her jaw I guess> before looking at me like "thank you momm, another would be nice" and off to her hot hide she went.

All my babes do the stretching up high thing after eating. I think it helps them squash it down a bit better.


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Mine likes the stretch across the tank approach... It was weird to see her go up.. Maybe because it was her second of the day so there was more to go down.