T90 Official plays age of empires games very soothing voice
Agadmator plays chess videos very rhythmic voice
3blue1brown maths videos, even if you hate math he has a voice that is so calm
Real Civil Engineer plays indie or building games is a bit weird, 90% he is nice but sometimes he gets excited and I’ve been woken from my sleep, but still good as I fall back right after
Kurtzgezat science videos with great narration (may hurt your dreams tho)
Nicole Coenen woodcutting videos great voice great pace only downside very few videos in total so you burn through her videos quite fast.
Technology Connections, great videos about obscure day to day tech mazing voice
Primitive technology, no words a lot of nature sounds of him building stuff without technology