Of course, you have to be alive to win so there's a survivorship bias but it'd be interesting to see a proper statistical analysis.
>Mortality and immortality: the Nobel Prize as an experiment into the effect of status upon longevity.
>Correcting for potential biases, we estimate that winning the Prize, compared to merely being nominated, is associated with between 1 and 2 years of extra longevity [in men].
The main point of the article is not about longevity, but rather: does the award lead to better or worse research? (It is awarded relatively early.)