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7mo ago

Understanding Sleep Cycles: Why a Good Night's Sleep Isn't Always Unbroken

Research shows that healthy sleep involves multiple cycles and brief awakenings, challenging common misconceptions about uninterrupted rest.

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If you're feeling sleepy during the day, are physically tired and need to take naps, you could be getting poor-quality sleep without even realising.

Overview

  • Adults typically experience five to six sleep cycles per night, with brief awakenings at the end of each cycle being normal and healthy.
  • Good sleep is characterized by the ability to fall asleep quickly, minimal prolonged awakenings, and feeling rested upon waking.
  • Factors such as insomnia, sleep apnea, chronic health conditions, and lifestyle habits can significantly impact sleep quality and duration.
  • Women may require slightly more sleep than men due to biological and social factors, but the difference is generally small.
  • Sleep-tracking devices can help identify patterns but may not accurately measure sleep stages; consulting health professionals for concerns is recommended.