| | (%) | Mean | (SD) | Range |
| | Sleep (hours) | | (Minutes) | | (Minutes) | | Less than 6 | 23 (21) | 266 | 93.5 | 25.7–355.7 | | 6–8 hours | 55 (50) | 431 | 32.8 | 361.0–478.3 | | More than 8 | 32 (29) | 534 | 38.8 | 480.3–609.0 |
| | Wakes (numbers) | | (Numbers) | | (Numbers) | | Less than 9 | 25 (23) | 6 | (1.9) | 3–8.7 | | 9–16 | 59 (54) | 13 | (2.3) | 9–16.7 | | 17 and more | 26 (24) | 21 | (5.4) | 17–40.3 |
| | Nap (minutes) | | (Minutes) | | (Minutes) | | 0 | 4 (3.6) | 0 | (0.0) | 0 | | 1–30 | 33 (30.0) | 15 | (8.4) | 4–29.5 | | 31–60 | 18 (16.4) | 47 | (7.3) | 33–60 | | 61–90 | 16 (14.5) | 78 | (9.1) | 61.5–90 | | 91–120 | 17 (15.5) | 103 | (9.1) | 91–118.5 | | 121–150 | 5 (4.5) | 134 | (8.1) | 122–143 | | 151–more | 17 (15.5) | 255 | (85.6) | 154–389.5 |
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