The study is aimed at the investigation of the association of biomarkers of circadian rhythms with sleep characteristics and stroke outcome in acute stroke patients. It is designed as an observational cohort study with the retrospective and prospective longitudinal arms.
acute (symptom onset to admission <1 days) ischemic stroke
ischemic stroke affecting the branches of anterior cerebral artery, middle cerebral artery and posterior cerebral artery
age 18-80 years
moderate or severe stroke (National Institutes of Health Stroke Scale, NIHSS>=5)
secondary parenchymal hemorrhage (>hemorrhage index -2)
clinically unstable or life-threatening conditions
known progressive neurological diseases
known psychiatric diseases