Why does showering always feel like running a mile and needing to lay in bed recovering

Mutant, librarian, poet, union rabble rouser, dog, Ashkenazi Jewish. Neuroweird, bodyweird, mostly sleepy.
I write about transformative justice, community, love, Judaism, Neurodivergence, mental health, Disability, geography, rivers, labor, and libraries; through poetry, opinionated essays, and short fiction.
I review Schoolhouse Rock! songs at @PropagandaRock
Why does showering always feel like running a mile and needing to lay in bed recovering
SAME! I thought I was the only one! All my friends look at me weird when I mention this to them.
I don't think it's Pots for me like other commentators mentioned, since I don't get any other symptoms, but it would be interesting to know if it's the same for you.