I'm glad that works for you!
In my house we have roller shutters and they make you see nothing.
I've been at places without proper shutters.. tried sleep masks.. and they don't fully block light nor do they stay in place after even a single turn in bed. I ended up wrapping one of my black stockings around my head like a blind fold to actually sleep. >.<'
Sadly, Fortnite doesn't run on Linux. EAC has Linux support in general but Epic doesn't it for Fortnite...
Was one of the first things I tried on my Steamdeck after installing HeroicLauncher. Would have been nice with the gyro.