systematic review · participant total not stated
Cognitive performance after sleep deprivation
Sleep Medicine Reviews · 2009
Open PubMed recordDOI 10.1016/j.smrv.2008.11.002behaviour
One bad night causes permanent damage
Grade D · EarlyReview pending
What people say
“If I sleep badly once, I have permanently harmed my brain or body.”
What the evidence says
Grade D · EarlyShort-term sleep loss can affect alertness and performance, but claims of permanent damage from one ordinary bad night are not supported by the studies cited here. Persistent concerns deserve clinical discussion.
Research record
What this verdict is based on
Sources are linked for inspection. Study results are summarized for general information, not personal medical direction.