Table 2.
Self-Reports Concerning the Night of Study
| Sleep Parameters | Controls mean (SD) | Patients mean (SD) | t (df)1 | p |
|---|---|---|---|---|
| How long did it take you to fall asleep last night? (minutes) | 13.1 (10.0) | 38.1 (41.3) | 2.00 (10) | 0.073 |
| How long did it take you to fall asleep usually? (minutes) | 8.5 (8.1) | 50.0 (43.7) | 2.95 (10) | 0.015 |
| How long did you sleep last night? (hours) | 6.9 (0.6) | 5.8 (1.5) | −3.73 (10) | 0.005 |
| How long did you sleep usually? (hours) | 7.1 (0.4) | 5.8 (1.8) | −3.05 (10) | 0.014 |
| How many times did you awaken last night? (times) | 1.9(1.2) | 2.8 (1.4) | 1.70(7) | 0.133 |
| How many times did you awaken usually? (times) | 1.2 (0.9) | 2.7(1.3) | 3.40 (10) | 0.007 |
| How long were you awake during the entire night last night? (minutes) | 29.9 (37.0) | 75.9 (66.8) | 1.43 (11) | 0.190 |
| How long were you awake during the entire night usually? (minutes) | 12.3 (18.9) | 63.3 (46.6) | 3.43 (7) | 0.011 |
| Visual-Analogue Scale Responses (0….100 mm Scale) | ||||
| Last night I felt very sleepy ….not at all sleepy. | 30.6 (26.4) | 35.6 (24.1) | 0.42 (10) | 0.687 |
| Last night I had great difficulty falling asleep ….no difficulty. | 70.9 (26.6) | 61.2 (22.5) | −0.73 (10) | 0.481 |
| Last night I slept not at all soundly ….very soundly. | 71.5 (22.0) | 51.5 (24.2) | −1.64(10) | 0.132 |
| Last night I slept less than I need ….as much as I need. | 79.9 (22.0) | 46.0 (28.6) | −2.41 (10) | 0.037 |
| This morning I had great difficulty awakening ….no difficulty. | 92.7 (4.7) | 77.2 (21.6) | −2.14 (9) | 0.061 |
| This morning I feel poorly rested ….well rested. | 81.8 (23.7) | 51.0 (25.3) | −2.27 (10) | 0.047 |
| This morning I feel very confused ….not at all confused. | 94.2 (5.4) | 77.7 (20.5) | −2.62 (10) | 0.026 |
| This morning I feel very depressed ….not at all depressed. | 94.8 (4.2) | 82.0 (14.3) | −2.84 (10) | 0.018 |
| This morning I feel very anxious ….not at all anxious. | 87.8 (22.0) | 75.3 (22.2) | −1.18 (10) | 0.266 |
| This morning I feel not at all alert ….very alert. | 83.7 (22.7) | 61.2 (27.9) | −1.70(10) | 0.119 |
1
Paired t-tests on available matched control-patient pairs.