OSA	Obstructive Sleep Apnea
CNN	Convolutional Neural Network
LSTM	Long Short-Term Memory
IoT	Internet of Things
SAHS	Sleep Apnea HypoApnea Syndrome
ECG	Electrocardiogram
SVM	Support Vector Machine
kNN	k-Nearest Neighbours
RF	Random Forest
RNN	Recurrent Neural Network
RQA	Recurrence Quantification Analysis
HRV	Heart Rate Variability
ANN	Artificial Neural Network
TQWT	Turnable-Q factor Wavelet Transform
AdaBoost	Adaptive Boosting
MTEO	Multilevel Teager Energy Operator
MLP	Multi-Layer Perceptron
EDR	ECG Derived Respiration
RRI	RR Interval
RAMP	R peak Amplitude
ReLU	Rectified Linear Unit
TP	True Positive
TN	True Negative
FP	False Positive
FN	False Negative
KELM	Kernel Extreme Learning Machine
ELM	Extreme Learning Machine
HMM	Hidden Markov Model
NN	Neural Network
FNN	Feedforward Neural Network
TD	Temporal Difference
RG	Residual-Gradient
MI	Mutual Information
GMM	Gaussian Mixture Model
RBF	Radial Basis Function
EMG	Electromyography
MCS	Multi-Classifier System