How does the cognitive damage from chronic partial sleep restriction compare to a single night of total sleep deprivation?

Answer

It proves far more damaging to cognition

Chronic insufficient sleep, even if the nightly shortfall is minor (an hour or two), accumulates damage and is proven to be significantly more detrimental to cognition over time than suffering one single night of complete deprivation.

How does the cognitive damage from chronic partial sleep restriction compare to a single night of total sleep deprivation?
brainSleeprestfunctioncognition