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Definition of sleep quality score
| Sleep factors | Sleep condition | Sleep score |
|---|---|---|
| Sleep duration (h) | < 7 | 0 |
| 7–9 | 1 | |
| > 9 | 0 | |
| Trouble sleeping | No | 1 |
| Yes | 0 | |
| Snoring | Never | 1 |
| Rarely/occasionally/frequently | 0 | |
| Excessive daytime sleep | Never/rarely | 1 |
| Rarely/sometimes/occasionally/frequently | 0 | |
| Sleep apnea symptoms | Never | 1 |
| Rarely/sometimes/occasionally/frequently | 0 | |
| Sleep quality score | 0–5 | |
