Table A1.

Abbreviations and Acronyms used in this work. (according to alphabetic order Top- Bottom, Left-Right).

Abbreviation and Acronyms	Full Form	Abbreviation and Acronyms	Full Form
AASM	American Academy of Sleep Medicine	LSTM	Long Short-Term Memory
Acc	Accuracy	maxpooling	Maximum Pooling
AE	Autoencoder	MESA	Multi-Ethnic Study of Atherosclerosis
AED	Apnea-ECG database	MGH	Massachusetts General Hospital
AF	Air Flow	MHLNN	Multiple hidden layers neural network
AHI	Apnea hyperpnea Index	mRMR	Minimum Redundancy Maximum Relevance
ANN	Artificial Neural Network	MrOS	Osteoporotic Fractures in Men Study
AUC	Area under ROC curve	NPV	Negative Predictive Value
bpm	Beats Per Minutes	NSRR	National Sleep Research Resource
CNN	Convolution Neural Network	OSA	Obstructive Sleep Apnea
CO	Combined Objective	OSAH	Obstructive Sleep Apnea Hypopnea
CWT	Continuous Wavelet Transform	SpO2	Blood Oxygen Saturation Index
DAE	Deep Autoencoder	Spc	Specificity
DBN	Deep Belief Network	PPV	Precision or Positive Predictive Value
DL	Deep Learning	PSG	Polysomnography
DNN	Deep Neural Network	RBM	Restricted Boltzmann Machines
DVNN	Deep Vanilla Neural Network	RCNN	Combined Deep Recurrent and Convolutional Neural Networks
EA	Evolutionary Algorithms	ReLU	Rectified Linear Unit
ECG	Electrocardiography	RF	Random Forest
EDR	ECG derived respiration	RNN	recurrent neural network
EEG	Electroencephalogram	RR-ECG	R to R interval from ECG
EMG	Electromyography	SAE	Stacked Autoencoder
EOG	Electrooculogram	SCSMC	Sleep Center of Samsung Medical Center
$F_1$	$F_1$ score	Sen	Recall or Sensitivity
$F_{1w}$	Weighted $F_1$ score	SFS	Sequential Forward Selection
FP	False Positive	SHHS	Sleep Heart Health Study
FLSTM	LSTM with feature inputs	SNUBH	Seoul National University Bundang Hospital
GA	Genetic Algorithm	SNUH	Seoul National University Hospital
HRV	Heart Rate Variability	SpAE	Sparse Autoencoder
Hz	Hertz	Spc	Specificity
IHR	Instantaneous Heart Rates	SVM	Support Vector Machine
IIR	Infinite Impulse Response	TN	True Negative
kNN	k-nearest neighbor	TP	True Positive
LDA	Linear Discriminant Analysis	UCD	St. Vincent’s University Hospital/University College Dublin Sleep Apnea Database
LR	Logistic Regression