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Global Study Confirms Snooze Button Disrupts REM Sleep

New research finds over half of sleepers use snooze alarms, fragmenting critical sleep stages and contributing to grogginess.

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People in the U.S., Sweden and Germany had the highest snooze button use. Credit: Neuroscience News

Overview

  • A global analysis of over 3 million sleep sessions reveals that 56% of sleepers use the snooze function, delaying wake-up by an average of 11 minutes.
  • Heavy snooze users, who snooze on more than 80% of mornings, spend about 20 minutes each day between alarms and exhibit more erratic sleep schedules.
  • Snooze alarms interrupt vital REM sleep, which is crucial for memory consolidation, emotional processing, and overall health, leaving users feeling groggier.
  • Snoozing peaks during weekdays, with the highest rates observed in the U.S., Sweden, and Germany, and the lowest in Japan and Australia.
  • Sleep experts recommend setting alarms for the latest necessary wake time and avoiding the snooze button to maintain consistent, restorative sleep.