fatigue study

4:57

12:45

2:22

11:51

6:32

15:15

1:24

16:44

6:52

6:16

4:20

1:08:48

7:06

18:25

38:09

17:45

18:43

4:34

53:31

8:46

1:27:12

4:04

6:06

17:09

8:52

1:56

5:27

2:00:52

2:21

1:59

4:51

10:34

5:16

4:07

1:22:43

3:56

2:32

59:58

3:16

2:20

3:56

4:38

00:53

51:26

1:02:37

9:24

9:15

1:34

6:38

26:13

6:38

8:08

4:22

12:32

5:04

25:52

2:20

5:19

7:05

16:06