I think everyone who's said they don't care or it doesn't matter are lying.
i was being honest and trying to answer the question literally. Salix likes literal ( i think, not claiming intimate knowledge, just going from previous threads... specifically the humorous one-line responses.)
i think the question asked and the thought-provoking statement setup an ambiguous thread concept intentionally. my answer is true for me for both over arching possibilities.
if i hadn't woken up this morning:
life would go on.
my daily tasks would get completed by someone else.
my family, friends, and co-workers would be OK.
if it's a simple matter of sleeping in past noon, then i needed the sleep. my family isn't counting on me desperately for anything this morning. my friends wouldn't know the difference. the most effected would be my co-workers, and they would be annoyed. nothing i do at work is life or death. therefore, it's not important to me, it's important to them.
it's more complicated if if it's a matter of dieing in my sleep. but my answer remains the same.
for me, what can i do to change it after the fact? I'm dead. for my family and friends it's devastating. for me, the dead person, i don't know how or if i will feel anything. if i am still sentient, i hope i will be practical about my situation; accept my death as divine purpose, and be grateful that i went in my sleep.
for my family and friends it's important both emotionally and practically. but for me, my mortal life with them is over. if i continue existing, not waking up is just another event in the story of 'me'. it would be similar to the day i was born. therefore: it's not important for me, it's important for others.
there are two theorhetical scenarios where dieing in my sleep would matter to me.
it would matter to me if i had foreknowledge that i would be dieing in my sleep. i don't think this scenario was intended in the OP. I think that would be a seperate topic.
it would matter to me if after death i was still sentient and i learned i could have prevented my own death. even in this second case, i don't believe in a time travel concept where changing the past is possible. so i still hope that i would accept my circumstances and move on emotionally and spiritually to whatever happens next.