Astyanax mexicanus

1. Sleep deprivation has no effect on lifespan in A. mexicanus.

   “Multiple cave-adapted populations of this species have independently evolved reduced sleep compared to surface populations, yet show no obvious decline in healthspan or longevity.”

   Animals

   Elevated DNA damage without signs of aging in the short-sleeping Mexican cavefish

   eLife·14 Nov 2025

More on Sleep deprivation