There have been mixed reviews, but not all SN deaths are painless
https://sanctioned-suicide.net/thre...m-actually-dying-sn.77177/page-4#post-1386819
https://sanctioned-suicide.net/threads/first-ever-sn-documentation.29734/
https://sanctioned-suicide.net/threads/the-documenting-of-all_pointless-passing-away-by-sn.44504/
https://sanctioned-suicide.net/threads/it-seems-that-sn-is-not-peaceful.73804/#post-1334109
The problem imo is that even for the ones that seemed peacefull it might just be that they couldnt respond anymore. But I stil think SN is preferable to a lot of other methods (jumping, Paracetamol OD, Train, Hanging etc.)