Table 1 MOS Sleep-R items

1^a

How long did it usually take for you to fall asleep?

Disturbance

1-5^c

2

On the average, how many hours did you sleep each night?

Quantity

0–24

3^a

How often did you feel that your sleep was not quiet?

Disturbance

1-5^d

4^{a, b}

How often did you get enough sleep to feel rested upon waking in the morning?

Adequacy

1-5^d

5^{a, b}

How often did you awaken short of breath or with a headache?

Shortness of breath/headache

1-5^d

6^a

How often did you feel drowsy or sleepy during the day?

Somnolence

1-5^d

7^{a, b}

How often did you have trouble falling asleep?

Disturbance

1-5^d

8^{a, b}

How often did you awaken during your sleep time and have trouble falling asleep again?

Disturbance

1-5^d

9^{a, b}

How often did you have trouble staying awake during the day?

Somnolence

1-5^d

10

How often did you snore during your sleep?

Snoring

1-5^d

11

How often did you take naps during the day?

Somnolence

1-5^d

12^{a, b}

How often did you get the amount of sleep you needed?

Adequacy

1-5^d