[veunes]

Would you recommend some more? Really interested in that topic but find it difficult to find a good sources

[WBrentWilliams]

Try the classic from 1976 to get an idea of what thinking on this was at the time funding for sleep science started: Some Must Watch While Some Must Sleep (Dement, 1976, 1978): https://archive.org/details/somemustwatchwhi00dem_3n2 (1978 edition)