Polish (PL)German (DE)English (EN)
Product Information: +48 509 940 633 | Order Support: +48 512 999 218


More and more often used sleep calculators are irreplaceable tools for people who have decided to have polyphasic sleep, including biphasic sleep. However, it is also a very useful tool for those of us who sleep according to a traditional circadian rhythm.

Thanks to sleep calculators, we do not have to calculate the time for which to set the alarm clock. After entering the basic data, it will calculate it for us and indicate the specific time.

Calculate how much you need to sleep for efficient sleep!

How old are you?
20 years
30 years
40 years
50 years
60 years
We create for people, not for shops!
Discover the most functional Osaka Air foam mattress and our other products!

Ladies and Gentlemen! In order to provide services at the highest level of service, we use cookies on our website. Using the website without changing the cookie settings means that they will be saved on your end device. If you do not agree to this, we kindly ask you to make appropriate changes to your web browser settings.