Question 1

Is Sleep Calculator free to use?

Accepted Answer

Yes, Sleep Calculator is completely free to use. No registration or payment required.

Question 2

Is my data safe when using Sleep Calculator?

Accepted Answer

Yes, all processing happens locally in your browser. Your data never leaves your device and is not sent to any server.

Question 3

Do I need to install anything to use Sleep Calculator?

Accepted Answer

No installation required. This tool runs directly in your web browser. Just open the page and start using it.

Question 4

Can I use Sleep Calculator on mobile devices?

Accepted Answer

Yes, the tool is fully responsive and works on all devices including smartphones, tablets, and desktop computers.