<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">

  <!-- Homepage -->
  <url>
    <loc>https://www.bestsleeptimes.com/</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
    <image:image>
      <image:loc>https://www.bestsleeptimes.com/preview.jpg</image:loc>
      <image:title>Sleep Cycle Calculator - Best Sleep Times</image:title>
      <image:caption>Free online sleep cycle calculator to find your perfect bedtime and wake-up time</image:caption>
    </image:image>
  </url>

  <!-- Sleep Tools -->
  <url>
    <loc>https://www.bestsleeptimes.com/nap-timer</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://www.bestsleeptimes.com/preview.jpg</image:loc>
      <image:title>Power Nap Timer - Free Online Nap Calculator with Alarm</image:title>
      <image:caption>Science-backed power nap timer with 10, 20, 30, 60, and 90-minute presets based on NASA research</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/sleep-efficiency-calculator</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://www.bestsleeptimes.com/preview.jpg</image:loc>
      <image:title>Sleep Efficiency Calculator - Clinical-Grade Sleep Quality Score</image:title>
      <image:caption>Free sleep efficiency calculator to measure sleep quality percentage with personalized CBT-I recommendations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/daily-routine-generator</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/sleep-tips-quiz</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/chronotype-quiz</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://www.bestsleeptimes.com/og/og-chronotypes.jpg</image:loc>
      <image:title>Chronotype Quiz - Discover Your Sleep Animal</image:title>
      <image:caption>Free chronotype quiz to discover if you're a lion, bear, wolf, or dolphin sleeper</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/chronotype-routine</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/sleep-tracker</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://www.bestsleeptimes.com/preview.jpg</image:loc>
      <image:title>Sleep Tracker - Free Daily Sleep Diary with Pattern Analysis</image:title>
      <image:caption>Free sleep diary tool to log daily sleep, track quality trends, identify patterns, and export data</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/sleep-history</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Blog & Sitemap -->
  <url>
    <loc>https://www.bestsleeptimes.com/blog</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/sitemap</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- Books -->
  <url>
    <loc>https://www.bestsleeptimes.com/books</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/books/why-we-sleep</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/books/the-power-of-when</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/books/sleep-smarter</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/books/the-sleep-solution</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/books/deep-work</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- Legal & Info Pages -->
  <url>
    <loc>https://www.bestsleeptimes.com/about</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/contact</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/privacy-policy</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.4</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/terms</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.4</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/cookie-policy</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.4</priority>
  </url>
  <url>
    <loc>https://www.bestsleeptimes.com/disclaimer</loc>
    <lastmod>2026-03-28</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.4</priority>
  </url>

</urlset>