SS1 Biosignals and Sleep stages

The SS1 subset of the Montreal Archive of Sleep Studies (MASS) cohort is an open-access database of laboratory-based polysomnography (PSG) recordings defined as : 53 subjects (age 63±5.3 years, age range: 55-76 years) 19 females (age 63.7±4.9 years, age range: 56-72 years) 34 males (age 63.5±5.6 years, age range: 55-76 years) 53 PSG recordings (whole night) "* PSG.edf" 17 or 19 electrodes in the EEG montage reference is computed linked-ear (CLE) or linked-ear reference with a 10 kΩ resistance (LER) 2 EOG channels 5 bipolar EMG channels 1 ECG channel 1 Respiratory thermistance 1 Air flow cannula 53 Sleep staging files "* Base.edf" Sleep stage scoring rules : AASM Page size (s) : 30