systematic review · participant total not stated
The effects of sleep inertia on cognitive performance and alertness
Sleep Medicine Reviews · 2006
Open PubMed recordDOI 10.1016/j.smrv.2005.04.002timing
Repeated snoozing is harmless
Grade D · EarlyReview pending
What people say
“Multiple alarms and snoozes do not affect how I feel in the morning.”
What the evidence says
Grade D · EarlyThere is little direct experimental evidence about repeated snoozing. It can fragment the final part of sleep, but the size and importance of that effect varies and remains under-studied.
Research record
What this verdict is based on
Sources are linked for inspection. Study results are summarized for general information, not personal medical direction.