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Study Reveals Global Snooze Alarm Usage and Its Impact on Sleep

Research from Harvard Medical School highlights widespread snooze function use, its disruption of sleep cycles, and expert recommendations for healthier habits.

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Overview

  • A study analyzing data from over 21,000 'Sleep Cycle' app users across three million nights found that 56% of nights involved snooze button use.
  • Women were found to use the snooze function more frequently than men, averaging 2.5 presses per morning compared to 2.3 for men.
  • Experts warn that snooze alarms disrupt critical REM sleep phases, resulting in lighter, less restorative sleep.
  • Sleep deprivation linked to snooze usage can negatively affect mental health, cardiovascular health, and cognitive performance.
  • Researchers recommend setting alarms for the latest possible time and waking up immediately to optimize sleep quality.