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Objective: The lack of nocturnal decline in blood pressure (BP) is associated with an increase in cardiovascular events. Restless leg syndrome (RLS) is an uncomfortable feeling which wants for budge the legs with ache of the legs. RLS also increases the hypertension and cardiovascular risk. In this study, we aimed to evaluate the relationship between dipping and non-dipping blood pressure pattern with RLS and its severity. Methods: Two hundred patients which had 24-hour ambulatory blood pressure monitoring (ABPM) were enrolled to this cross-sectional study. They were classified by blood pressure pattern as dipping and non-dipping. Then 100 patients with dipper pattern and 100 patients with nondip-per pattern were chosen. A questionnaire for RLS diagnosis which was prepaired by International RLS Study Group, were performed to the patients. Results: RLS Symptom score was higher in patients with non-dipping blood pressure patern (NDBPP) and patients with NDBPP had more severe RLS. Beside this, there were not any differences in terms of RLS frequency in dipping and non-dipping blood pressure patern. Conclusion: As a conclusion, dipping and non-dipping blood pressure patern don’t increase RLS risk. But if the patients with NDBPP have RLS, they have more severe RLS. So, we suggest that, evaluating a patient with non-dipping blood pressure patern, considering RLS would be help-ful for the patient to ameliorate the quality of life of the patient. (Anadolu Kardiyol Derg 2014; 14(0): 000-000) Key words: dipping- nondipping arterial blood pressure pattern, restless legs syndrom