Maintenance Phase

The "Sleep Loss Epidemic"

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Dec 14, 2021
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INSIGHT

Both REM And Non‑REM Matter

  • Sleep stages (REM and non-REM) serve different restorative functions and both matter.
  • Severe sleep deprivation clearly harms immunity and cognition, so sleep is essential for health.
INSIGHT

Sleep Needs Vary By Person And Age

  • Recommended sleep varies by age and individual biology rather than one fixed number.
  • The National Sleep Foundation gives ranges (e.g., 7–9 for adults), not a universal eight hours.
ADVICE

Listen To Your Body's Sleep Signal

  • Trust your body's signal: if you consistently feel alert on seven hours, that may be enough.
  • Conversely, needing nine hours occasionally is normal and not inherently unhealthy.
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