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  <!-- Homepage - Highest Priority -->
  <url>
    <loc>https://sleepcycle.io/</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>daily</changefreq>
    <priority>1.0</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/logo.png</image:loc>
      <image:title>Best Sleep Online Calculator with AI - SleepCycle.io</image:title>
      <image:caption>★★★★★ Best Sleep Online Calculator with AI! FREE AI-powered sleep optimization for 10M+ users</image:caption>
    </image:image>
  </url>

  <!-- Main Sleep Calculator -->
  <url>
    <loc>https://sleepcycle.io/sleep-calculator</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <!-- SEO-Optimized Calculator Pages - High Priority -->
  <url>
    <loc>https://sleepcycle.io/90-minute-sleep-cycle-calculator</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.95</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/how-much-sleep-did-i-get-calculator</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.95</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-calculator-by-age</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/nap-calculator</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/baby-nap-calculator-0-12-months</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Baby & Toddler Sleep Pages - High Priority -->
  <url>
    <loc>https://sleepcycle.io/sleep-cycles-newborns</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-4-month-old</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-6-month-old</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-7-month-old</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-2-year-olds</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-toddlers</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <!-- Adult Sleep Pages -->
  <url>
    <loc>https://sleepcycle.io/sleep-cycles-adults</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-babies</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sleep-cycles-naps</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Blog Homepage -->
  <url>
    <loc>https://sleepcycle.io/blog</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Blog Posts - Sleep Science (High Priority) -->
  <url>
    <loc>https://sleepcycle.io/blog/why-waking-wrong-time-makes-tired</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/why-waking-wrong-time-tired.svg</image:loc>
      <image:title>Why Waking Up at the Wrong Time Makes You Tired</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/nap-calculator-science</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/nap-calculator-science.svg</image:loc>
      <image:title>Nap Calculator: The Science of the Perfect Nap</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/sleep-cycles-by-age</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/sleep-cycles-by-age.svg</image:loc>
      <image:title>Sleep Cycles by Age: How Much Sleep Do You Really Need</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/best-time-sleep-wake-up</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/best-time-sleep-wake-up.svg</image:loc>
      <image:title>Best Time to Sleep and Wake Up According to Science</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/how-many-sleep-cycles-per-night</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/sleep-cycles-per-night.png</image:loc>
      <image:title>How Many Sleep Cycles Do You Need Per Night Guide</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/sleep-cycle-length</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/sleep-cycle-length.svg</image:loc>
      <image:title>How Long is One Sleep Cycle Guide</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/full-sleep-cycle-length</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/full-sleep-cycle.svg</image:loc>
      <image:title>How Long Is a Full Sleep Cycle Guide</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/sleep-stages-guide</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/sleep-stages.svg</image:loc>
      <image:title>Sleep Stages Complete Guide</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/sleep-cycle-stages</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/sleep-cycle-stages.svg</image:loc>
      <image:title>Sleep Cycle Stages Guide</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/sleep-cycle-myth</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/sleep-myth.svg</image:loc>
      <image:title>90-Minute Sleep Cycle Myth Debunked</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - Baby & Child Sleep -->
  <url>
    <loc>https://sleepcycle.io/blog/baby-nap-duration-guide</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/baby-naps.svg</image:loc>
      <image:title>Baby Nap Duration Guide by Age</image:title>
    </image:image>
  </url>

  <url>
    <loc>https://sleepcycle.io/blog/newborn-sleep-patterns</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/newborn-sleep-patterns.svg</image:loc>
      <image:title>Newborn and Baby Sleep Patterns Guide</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - Sleep Medicine -->
  <url>
    <loc>https://sleepcycle.io/blog/best-sleep-doctors-los-angeles</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/la-sleep-doctors.svg</image:loc>
      <image:title>Best Sleep Doctors in Los Angeles</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - Alternative Sleep -->
  <url>
    <loc>https://sleepcycle.io/blog/uberman-sleep-cycle</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/uberman-sleep-cycle.svg</image:loc>
      <image:title>What Is the Uberman Sleep Cycle</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - App Reviews -->
  <url>
    <loc>https://sleepcycle.io/blog/best-sleep-apps-2025</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/best-sleep-apps.svg</image:loc>
      <image:title>Best Sleep Cycle and Sleep Tracking Apps 2025</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - Shift Work -->
  <url>
    <loc>https://sleepcycle.io/blog/night-shift-sleep-cycle</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/night-shift-sleep.svg</image:loc>
      <image:title>Best Sleep Cycle for Night Shift Workers</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - Toddler Sleep -->
  <url>
    <loc>https://sleepcycle.io/blog/2-year-old-sleep-cycle</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/2-year-old-sleep-cycle.svg</image:loc>
      <image:title>How Long Is a Sleep Cycle for a 2-Year-Old</image:title>
    </image:image>
  </url>

  <!-- Blog Posts - Company -->
  <url>
    <loc>https://sleepcycle.io/blog/sleepcycle-worldwide-launch</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.4</priority>
    <image:image>
      <image:loc>https://sleepcycle.io/blog-images/company-launch.svg</image:loc>
      <image:title>SleepCycle.io Worldwide Launch</image:title>
    </image:image>
  </url>

  <!-- Information Pages -->
  <url>
    <loc>https://sleepcycle.io/sleep-science</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/why-best-sleep-calculator</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/best-sleep-calculator-by-age</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Utility Pages -->
  <url>
    <loc>https://sleepcycle.io/age-calculator</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/more-resources</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/help</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>

  <!-- Company Pages -->
  <url>
    <loc>https://sleepcycle.io/about</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/contact</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/sitemap</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.5</priority>
  </url>

  <!-- Legal Pages -->
  <url>
    <loc>https://sleepcycle.io/privacy-policy</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>

  <url>
    <loc>https://sleepcycle.io/terms-of-service</loc>
    <lastmod>2025-01-18</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>

</urlset>