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Sleep Tracker
Analyze your sleep hours and improve sleep quality.
How to Use
1
Enter your bedtime and wake time.
2
Click "Calculate Sleep Hours".
3
View the analysis, rating, and tips.
Enter Sleep Times
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About This Tool
What is Sleep Tracker?
Sleep Tracker analyzes your sleep duration and rates quality based on health standards. It calculates completed sleep cycles and provides personalized tips.
How Does It Work?
Enter bedtime and wake time. Each sleep cycle is ~90 minutes including light, deep, and REM sleep. Adults need 7-9 hours (4-6 cycles) daily.
Healthy Sleep Tips
- Keep a consistent sleep schedule
- Avoid screens 1 hour before bed
- Keep the bedroom dark and cool
- Avoid caffeine after noon
- Exercise regularly but not before bed
Tip: Waking at the end of a sleep cycle (every 90 min) helps you feel more refreshed. Set your alarm in 90-minute multiples from bedtime.
Sources & References
Frequently Asked Questions
Adults need 7-9 hours daily per the National Sleep Foundation. Less than 6 or more than 10 consistently may indicate health issues.
Enter bedtime and wake time. The tool calculates duration, rates quality, counts sleep cycles, and provides personalized advice.
A sleep cycle is ~90 minutes including light, deep, and REM sleep. Adults complete 4-6 cycles nightly. Waking at cycle end feels more refreshing.
REM (Rapid Eye Movement) is the sleep stage where vivid dreams occur. It accounts for 20-25% of sleep and is crucial for memory consolidation, learning, and mood regulation. Lack of REM sleep affects concentration and mental health.
Maintain a consistent sleep schedule even on weekends. Keep your room dark and cool (18-20°C). Avoid screens and caffeine 2 hours before bed. Exercise regularly but not right before sleep. Try relaxation techniques like deep breathing or meditation.
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