Aging Reduces Sleep Quality and Duration

Aging causes reduced deep sleep, increased nighttime awakenings, and shifts in circadian rhythms, resulting in poorer overall sleep quality.

  • Aging leads to more interruptions, reducing restorative rest phases.
  • Changes in internal clock cause earlier bedtimes and wake times.
ClaimScientific ObservationImpact MagnitudeSource
Aging reduces slow-wave sleep by 20-30%Decrease in delta wave activityDaytime fatigue and cognitive declineResearch Team (2025). Journal of Sleep Research
Older adults have 50% more awakeningsSleep cycle fragmentationIncreased chronic health risksResearch Team (2025). Journal of Sleep Research
Sleep efficiency drops by 10-15%Prolonged sleep onset latencyOverall health deteriorationResearch Team (2025). Journal of Sleep Research

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