Item Number | Abbreviated Content | Parent subscale | Standard Form | Acute Form | ||||
---|---|---|---|---|---|---|---|---|
n | Mean | SD | n | Mean | SD | |||
1a | Time to fall asleep | Disturbance | 2020 | 3.86 | 1.29 | 2015 | 3.90 | 1.31 |
2 | Average hours of sleep | Quantity | 2019 | 6.87 | 1.88 | 2025 | 6.89 | 2.07 |
2b | Sleep quantity (optimal/non-optimal) | Optimal Quantity | 2008 | 0.47 | 0.50 | 2008 | 0.52 | 0.50 |
3a | Sleep was not quiet | Disturbance | 2017 | 3.61 | 1.16 | 2020 | 3.64 | 1.23 |
4a, c | Enough sleep to feel rested on waking | Adequacy | 2018 | 3.23 | 1.08 | 2020 | 3.19 | 1.18 |
5a, c | Awaken short of breath or with a headache | Shortness of breath/headache | 2009 | 4.56 | 0.85 | 2021 | 4.55 | 0.89 |
6a | Feel drowsy/sleepy during the day | Somnolence | 2019 | 3.42 | 1.05 | 2022 | 3.44 | 1.16 |
7a, c | Trouble falling asleep | Disturbance | 2021 | 3.77 | 1.22 | 2024 | 3.83 | 1.29 |
8a, c | Trouble falling asleep again after awakening | Disturbance | 2012 | 3.89 | 1.11 | 2024 | 3.96 | 1.18 |
9a, c | Trouble staying awake during the day | Somnolence | 2016 | 4.14 | 0.95 | 2023 | 4.14 | 1.02 |
10 | Snoring | Snoring | 1992 | 3.68 | 1.32 | 2002 | 3.78 | 1.26 |
11 | Take naps during the day | Somnolence | 2013 | 3.90 | 1.14 | 2022 | 3.98 | 1.14 |
12a, c | Get needed amount of sleep | Adequacy | 2018 | 3.20 | 1.15 | 2021 | 3.21 | 1.24 |