Similar and 20-40 now as well. Sometimes I try to read a difficult book and it screws with my rhythm. The Children of Húrin by Tolkien, was putting me to sleep very well at night for a while until the book became interesting.

Trying to read a so called evil book “The Prince” by Machiavelli. 60% done but over a month or so because I’m looking at translations for the Italian or Latin interspersed within and get bored then have other things to do.