| BMI | Body Mass Index |
| CI | Confidence Interval |
| IBM | International Business Machines Corporation |
| kcal | Kilocalorie(s) |
| mg | Milligram(s) |
| NHNS | National Health and Nutrition Survey |
| NNS-J | National Nutrition Survey, Japan |
| NRS | Non-Restorative Sleep |
| OR | Odds Ratio |
| REM | Rapid Eye Movement |
| SPSS | Statistical Package for the Social Sciences |
| VIF | Variance Inflation Factor |
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