label,event_timestamp,length,shift,shift_direction,device_id beforeMarchEvent,1583625600000,22H,3H,-1,android beforeNovemberEvent,1604185200000,22H,3H,-1,android beforeMarchEvent,1583625600000,22H,3H,-1,ios beforeNovemberEvent,1604185200000,22H,3H,-1,ios beforeMarchEvent,1583625600000,22H,3H,-1,empatica beforeNovemberEvent,1604185200000,22H,3H,-1,empatica beforeMarchEvent,1583625600000,22H,3H,-1,empty beforeNovemberEvent,1604185200000,22H,3H,-1,empty