Sleep Calculator - Find Your Perfect Bedtime

What time do you want to wake up?

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If you want to go to bed now…

Bedtime

The average human takes 15 minutes to fall asleep.

To wake up refreshed at , you need to go to sleep at one of the following times:

If you wake up at one of these times, you'll rise in between 90-minute sleep cycles. A good night's sleep consists of 5-6 complete sleep cycles.

Terms of Service

1. Acceptance of Terms

By accessing and using Sleep Calculator, you accept and agree to be bound by the terms and provisions of this agreement.

2. Use License

Permission is granted to temporarily use Sleep Calculator for personal, non-commercial purposes only. This is the grant of a license, not a transfer of title.

3. Disclaimer

The sleep time calculations provided by this tool are for informational purposes only. They are not intended as medical advice. Please consult with a healthcare professional for sleep-related concerns.

4. Limitations

In no event shall Sleep Calculator or its suppliers be liable for any damages arising out of the use or inability to use the materials on Sleep Calculator.

5. Accuracy of Materials

The materials appearing on Sleep Calculator could include technical, typographical, or photographic errors. Sleep Calculator does not warrant that any of the materials are accurate, complete, or current.

6. Modifications

Sleep Calculator may revise these terms of service at any time without notice. By using this website, you are agreeing to be bound by the current version of these terms of service.

Privacy Policy

1. Information We Collect

Sleep Calculator does not collect or store any personal information. All calculations are performed locally in your browser. No data is transmitted to our servers.

2. Cookies

We use cookies to enhance user experience. Cookies are small text files that are stored on your device when you visit our website. These cookies may be used for purposes such as tracking user behavior on the site or displaying personalized ads.

We use third-party services such as Google AdSense and Google Analytics. These services may use cookies to serve personalized ads and collect information about your behavior on the site. You can control the use of cookies through your web browser settings or opt-out of personalized ads by visiting your Google Ads Settings.

For more information, you can review the privacy policies of these third-party services:
- Google Analytics Privacy Policy
- Google AdSense Privacy Policy

3. Third-Party Services

We may use third-party services such as Google Analytics and Google AdSense. These services may collect information used to identify you. Please refer to their respective privacy policies for more information.

4. Data Security

Since we do not collect personal data, there is no personal data to secure. All sleep calculations are performed locally in your browser and are not transmitted or stored on our servers.

5. Children's Privacy

Sleep Calculator does not knowingly collect any personal information from children under the age of 13. If you are under 13, please do not use this tool or provide any personal information.

6. Changes to Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page. You are advised to review this Privacy Policy periodically for any updates.