Supplemental Tables S1-S7

Table S1 Patients’ information. Table S2 Sleep structure in Night 1 (before treatment), Night 2 (during CO2 titration) and Night 3 (treatment with fixed CO2 concentration). Table S3 Sleep events in Night 1 (before treatment), Night 2 (during CO2 titration) and Night 3 (treatment with fixed CO2 concentration). Table S4 Heart rate and blood pressure before treatment(baseline), during CO2 titration (titration) and treatment with constant CO2 (treatment). Table S5 Respiratory rate (RR) during different sleep stage in Night 1 (before treatment), Night 2 (during CO2 titration) and Night 3 (treatment with constant CO2). Table S6 The changes of surface EMGdi in different condition (uv). Table S7 Treatment preference and side effect of treatment.