This seems like a plausible evolutionary reason for sleep to start existing but ...

Symmetry on July 30, 2025 | parent | context | favorite | on: Sleep all comes down to the mitochondria

This seems like a plausible evolutionary reason for sleep to start existing but humans use sleep for plenty of things besides this, like moving declarative memories form short to long term memory in spindle sleep or consolidating procedural memory in REM sleep.