Patients are assigned to KSW's Stroke Unit as part of the emergency treatment. There the patients are included in the study and treated according to the concept on the Stroke Unit within the complex treatment. The patients are included after clarification and with the consent of the patients. On the morning after the day of intake, the first determination of the ghrelin takes place in the routine blood sampling. Similarly, 48 hours later and 3 months after the stroke, a blood sampling is performed to determine ghrelin. The De Morton Mobility Index (DEMMI), the 9-hole-peg assay and the modified Rankin Scale (mRS) are determined on the day of admission, on the 3rd day, and three months after stroke. This is done within the framework of the routine clarification and treatment on the Stroke Unit.