Interesting, I didn't know this about the half-life of S-modafinil. A lot of people I talk to complain about the long half-life of R-modafinil, so it seems like switching to esmodafinil would be a major win for them:

https://moreisdifferent.substack.com/p/could-s-modafinil-be-the-new-caffeine

#nootropics