Fig. 1From: Efficacy and safety of electroacupuncture combined with Suanzaoren decoction for insomnia following stroke: study protocol for a randomized controlled trialFlow chart. EA, electroacupuncture; SZRD, Suanzaoren decoction; PSQI, Pittsburgh Sleep Quality Index; PSG, polysomnography; ISI, Insomnia Severity Index; NIHSS, National Institutes of Health Stroke Scale; HADS, Hospital Anxiety and Depression Scale; MRI, brain magnetic resonance imaging; fMRI, functional magnetic resonance imaging; MLT, nocturnal concentration of melatoninBack to article page