The study is a prospective, randomised controlled study with blinded assessment at the end of follow up. Patients admitted to the Stroke Unit, Akershus University Hospital less than 24 hours after stroke during 2009 - 2011 are screened for recruitment. Patients are randomly assigned to either mobilisation out of bed within 24 hours from admittance to hospital or mobilisation after 24 hours. Except early contra late mobilisation all patients receive standard stroke unit care.