We'd love to hear from you
Have questions, feedback, or suggestions about Slumber Sync? We're here to help! Whether you want to report a bug, suggest a new feature, or simply share your thoughts, we'd love to hear from you.
Yes! All our sleep tools are completely free to use. There are no hidden fees, no subscriptions, and no registration required.
No. All calculations happen locally in your browser. Your sleep data never leaves your device, ensuring complete privacy.
Our tools are for informational purposes only and should not replace professional medical advice. If you have sleep disorders or health concerns, please consult a healthcare professional.
Our calculations are based on established sleep science research. However, individual sleep patterns can vary, so results should be used as guidelines rather than absolute rules.