Might be harsh, but if you're scared when you ingest the SN, you shouldn't do it in the first place. Take some time to question why you're scared of it, determine whether you actually want to go through the process, and only if you're able to assuage your fears should you make that choice. For me, if I do decide to take SN, it's because I've made the decision I truly want to die, which is why I'll be fine listening to a playlist as I wait for my last sleep to take hold. There's a fine line between survival instinct and being scared to die that this forum often conflates and it matters.
I wonder if any of us can really judge how we will feel when we are actually doing it. When people fear the process, I think sometimes they may actually be imagining what their SI might be like. We've probably all had moments when we were afraid. Maybe looking down from a great height for example. I think just experiencing fear from time to time, we can become afraid of feeling fear itself- and- what it tends to do to us- we desperately just want to be out of danger. I know it's just drinking something but, I think I'll be scared too.
I think you can feel ready to die but, still fear the process. Perhaps it's fair to say that the need to die needs to be strong enough to get us over that fear. The big problem with DIY suicides is- we don't know what to expect.
So- say you were going in for a major operation tomorrow. You may still feel nervous about it. Even though you know that (hopefully,) these are trained professionals and that they will do all they can to limit the pain you are in.
With a DIY suicide though- we simply have no clue. How bad it will get, how long it will last, whether it will work, whether we will only maim ourselves. I think it's fairly rational to be concerned about all of that.
Not meaning to have a go at you. I do agree that the choice to suicide needs to be fully considered. Plus, it is absolutely worth considering- that if we do feel fearful- why? Are there any residues of hope for life left in all that? Still, I don't think the presence of fear necessarily means a person isn't sure about the decision itself. Not that I'm trying to encourage anyone here either.
As for me OP. If I ever have the guts to do it, I likely would be listening to music, rain sounds or, something relaxing. I'm thinking I want to cuddle hot water bottles to comfort me but really, I'll likely just be waiting in dread for it to take effect and, trying not to panic.
It's not impossible I will be crying. Again, not for some wish to live. Just in retrospect really. I've always struggled with death. There's been so much of it in my life. I suspect I'll be thinking of my dead family members as I pass.