The abstract is indeed fascinating and I'm reading through the full text, which is so far mostly easy to understand for a layman.
The high number of typos throws me a bit though. Amusingly they even misspell their central idea "Overfitted Brian Hypothesis" and I gotta say that the opening reminds me a bit of fluff you see in mindless high school essays.
> During the Covid-19 pandemic of 2020, many of those in isolation reported an increase in the vividness and frequency of their dreams (Weaver, 2020), even leading #pandemicdreams to trend on Twitter. Yet dreaming is so little understood there can be only speculative answers to the why behind this widespread change in dream be- havior.