| AdaBoost | Adaptive boosting |
| ANN | Artificial Neural Network |
| AUC | area under the curve |
| AUROC | Area Under the Receiver Operating Curve |
| Bagging | Bootstrapped aggregating |
| Bi-LSTM | Bidirectional Long Short-Term Memory |
| BMI | body mass index |
| CC | Correlation Coefficient |
| CNN | Convolutional Neural Network |
| DWT | discrete wavelet transform |
| ELM | Extreme Learning Machine |
| FFNN | Feedforward Neural Network |
| GBM | Gradient Boosting Machine |
| HRV | heart rate variability |
| HT | Hilbert transform |
| ICC | Interclass Correlation Coefficient |
| kNN | k-nearest neighbor |
| KSVM | Kernel SVM |
| LASSO | Least Absolute Shrinkage and Selection Operator |
| LD | Linear Discriminant |
| LGBM | Light Gradient Boosting Machine |
| LR | Logistic regression |
| ML | Machine Learning |
| MLPs | Multilayer Perceptron Networks |
| NB | Naïve Bayes |
| OSA | Obstructive Sleep Apnea |
| PCA | principal component analysis |
| QD | Quadratic Discriminant |
| RF | random forest |
| RR | Ridge regression |
| SVM | Support Vector Machine |
| TAN | tree-augmented Naïve Bayes |
| XGB | Extreme Gradient Boosting |