SS2 Biosignals and Sleep stages

The SS2 subset of the Montreal Archive of Sleep Studies (MASS) cohort is an open-access database of laboratory-based polysomnography (PSG) recordings defined as : 19 subjects (age 23.6±3.7 years, age range: 18-33 years) 8 males (age 24.3±4.2 years, age range: 19-33 years) 11 females (age 23.2±3.5 years, age range: 18-30 years) 19 PSG recordings (whole night) "* PSG.edf" 19 electrodes in the EEG montage reference is computed linked-ear (CLE) 4 EOG channels 1 bipolar EMG 1 ECG channel Respiratory thermistance 19 Sleep staging files "* Base.edf" Sleep stage scoring rules : R&K Page size (s) : 20