0 = male
1 = Female
2 = Prefer not to say

0 = No Problem
1 = Slightly delayed
2 = Markedly delayed
3 = Very delayed or did not sleep at all

0 = No problem
1 = Minor problem
2 = Considerable problem
3 = Serious problem or did not sleep at all

0 = Not earlier
1 = A little earlier
2 = Markedly earlier
3 = Much earlier or did not sleep at all

0 = Sufficient
1 = Slightly insufficient
2 = Markedly insufficient
3 = Very insufficient or did not sleep at all

0 = Satisfactory
1 = Slightly unsatisfactory
2 = Markedly unsatisfactory
3 = Very unsatisfactory or did not sleep at all

0 = Normal
1 = Slightly decreased
2 = Markedly decreased
3 = Very decreased

0 = None
1 = Mild
2 = Considerable
3 = Intense