onset,duration,description
0,119.99,Wake
119.99,420,N1
539.99,30,Art
569.99,390,N1
959.99,1050,N2
2009.99,840,N3
2849.99,90,Art
2939.99,60,N1
2999.99,30,Art
3029.99,120,N1
3149.99,60,Art
3209.99,60,N1
3269.99,1020,N2
4289.99,90,REM
4379.99,30,N1
4409.99,360,REM
4769.99,30,N2
4799.99,234.15,REM
5034.14,0.01,Wake