Help With Green Closed Brain

[saltwater junky]

im hoping someone can help my brain is all puffed up for 2 days now even when the lights r off,i recently lost all my lps and sps do to temp swing and was wondering if my brain is dying:sad:

 

[washowi]

If its puffed up..That's good.....worry when it doesn't puff up and the skeleton starts to show...there is nothing wrong with it....the tentacles are out when it's swollen right? It's feeding..

 

[saltwater junky]

It just freaked me out,the 2 years i have had it its never stayed puffed up like that all day and all night :confused2: