hi, thanks for asking! Actually I was able to contact with Russian-speaking community thanks to this article, which describes narcolepsy and hypersomnia and features several cases
https://meduza.io/feature/2021/04/29/on-padal-zamertvo-kazhdyy-raz-kogda-stanovilos-veselo
We've had a couple of online meetings so far, hope this group will continue functioning