SD	Sleep disturbance
MD	Mediterranean diet
BMI	Body mass index
PSQI	Pittsburg Sleep Quality Index
OSA	Obstructive sleep apnea
OPERA	Obesity, Programs of Nutrition, Education, Research and Assessment of the best treatment
WC	Waist circumference
PUFA	Polyunsaturated fatty acids
PREDIMED	Prevención con Dieta Mediterránea
EVOO	Extra-virgin olive oil
AUC	Area under the curve
VIF	Variance inflation factor
ROC	Receiver operator characteristic
GH	Growth hormone