Sanatoria are ideal places where patients have the opportunity not only to rest but also to quickly regain their health. The professional staff takes care of their convalescence, and rehabilitation specialists help with exercises. How to benefit from a free treatment stay? One option is to obtain a referral, under which the trip will be reimbursed by the National Health Fund (NFZ), but the waiting time can be long. Who will cover the costs for insurance policyholders? We are checking!