Hektor wakes again on the day of his death, and it makes no difference: his duty will still lead him from the safety of the gates.
Achilles wakes again on the day of his dishonor, and it makes no difference: his anger will still be satisfied only by spilled blood.
Andromache wakes again on the day she loses everything, and takes up her husband's sword before he wakes: better to kill this monster of a Myrmidon if she can, or die in battle before she can be made a slave to his son.