Sleep Calculator 2026
Sleep Calculator 2026
Optimize your sleep cycles and wake up refreshed! Calculate the perfect bedtime or wake-up time based on 90-minute sleep cycles.
⏰ When Should I Sleep?
🌅 When Should I Wake Up?
⏰ Sleep Alarm
No alarm set
⏰
Wake Up!
It’s time to wake up! Hope you had a great sleep! 🌅
💡 Sleep Optimization Tips
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90-Minute Cycles
Sleep occurs in 90-minute cycles. Waking up at the end of a cycle helps you feel more refreshed.
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Cool Environment
Keep your bedroom between 60-67°F (15-19°C) for optimal sleep quality.
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No Screens
Avoid screens 1 hour before bed to reduce blue light exposure.
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Support This Tool
If this sleep calculator helped you, consider supporting its development!