Noting that studies indicated the virus is able to spread throughout the brain including the hypothalamus, Moldofsky proposed the virus had produced a chronic neuroinflammatory state affecting sleep, pain sensitivity and energy levels. That hypothesis, of course, is identical to similar ones proposed for ME/CFS and fibromyalgia.

Source: Will COVID-19 Leave An Explosion of ME/CFS Cases in its Wake? | simmaronresearch.com