Fig. 2From: Electroacupuncture for insomnia disorder: study protocol for a randomized controlled trialThe SPIRIT figure. The schedule of enrolment, interventions, and assessments. EA electroacupuncture, EQ-5D EuroQoL five dimension questionnaire, HADS Hospital Anxiety and Depression Scale, ISI Insomnia Severity Index, PGIC Patient Global Impression of Change, PSQI Pittsburgh Sleep Quality IndexBack to article page