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<title>Sleep Cycle FAQ | Navi Sleep Tools</title>
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<pubDate>Fri, 05 Jun 2026 00:00:00 +0000</pubDate>
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<title>Start Here: Choose the Right Sleep Tool | Navi Sleep Tools</title>
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<description>Choose the right Navi Sleep Tool for tonight: sleep cycle timing, naps, caffeine cutoff, sleep debt, chronotype, jet lag, melatonin, and kids sleep.</description>
<pubDate>Fri, 05 Jun 2026 00:00:00 +0000</pubDate>
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<title>Nap Calculator — Best Nap Length &amp; Timing | Navi Sleep Tools</title>
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<description>Free nap calculator. Find the ideal nap length and exact wake-up time. Power nap (20 min) vs full cycle (90 min) — and why 60-minute naps cause grogginess.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Caffeine Cutoff Calculator — When to Stop Coffee | Navi Sleep Tools</title>
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<description>Free caffeine cutoff calculator. Find the exact time to stop drinking coffee based on caffeine half-life science. No sign-up required.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Workout Timing Calculator — Best Time to Exercise | Navi Sleep Tools</title>
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<description>Free workout timing calculator. Find your optimal exercise window based on your wake time and fitness goal. Based on circadian rhythm science.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Chronotype Quiz — Lion, Bear, Wolf or Dolphin? | Navi Sleep Tools</title>
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<description>Free chronotype quiz. 8 questions reveal your biological sleep type and ideal daily schedule. Based on Dr. Michael Breus chronotype framework.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Sleep Debt Calculator — How Much Do You Owe? | Navi Sleep Tools</title>
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<description>Free sleep debt calculator. Enter how many hours you slept each night this week and see your total deficit, day-by-day breakdown, and recovery plan.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Jet Lag Calculator — Personalized Recovery Plan | Navi Sleep Tools</title>
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<description>Free jet lag calculator. Enter your flight route and get a science-based day-by-day recovery plan with light exposure and melatonin timing.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Melatonin Timing Calculator — When &amp; How Much | Navi Sleep Tools</title>
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<description>Free melatonin timing calculator. Find the exact time and dose of melatonin for better sleep, jet lag recovery, or schedule adjustment. Based on sleep science.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Kids Sleep Calculator — Sleep Needs by Age | Navi Sleep Tools</title>
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<description>Free children&#x27;s sleep calculator. Age-specific sleep schedules for babies, toddlers, and teens based on AAP guidelines. Includes nap timing and bedtime.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Water Intake Calculator — Daily Hydration Needs | Navi Sleep Tools</title>
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<description>Free water intake calculator. Find your daily hydration needs by weight, activity and climate. Dehydration is a hidden sleep disruptor.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>How to Fix Sleep Inertia — 7 Proven Ways | Navi Sleep Tools</title>
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<description>Sleep inertia — morning grogginess — is caused by waking mid-sleep-cycle, not by lack of sleep. Here are 7 evidence-based ways to eliminate it.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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<title>Best Time to Wake Up — Sleep Cycle Science | Navi Sleep Tools</title>
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<description>The best time to wake up is determined by 90-minute sleep cycles, not total hours. 7.5 hours often feels better than 8 — here&#x27;s the science.</description>
<pubDate>Sun, 24 May 2026 00:00:00 +0000</pubDate>
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