Alcohol-Induced Disorders, Nervous System/metabolism; Alcoholism/complications; Calcium Channels, T-Type/drug effects; Ethanol/adverse effects; Sleep Wake Disorders/chemically induced; Thalamus/drug effects; Action Potentials/drug effects; Action Potentials/physiology; Alcohol-Induced Disorders, Nervous System/physiopathology; Animals; Calcium Channels, T-Type/metabolism; Calcium Signaling/drug effects; Calcium Signaling/physiology; Cell Membrane/drug effects; Cell Membrane/metabolism; Central Nervous System Depressants/administration & dosage; Central Nervous System Depressants/adverse effects; Chronic Disease; Disease Models, Animal; Drug Administration Schedule; Ethanol/administration & dosage; Female; Macaca fascicularis; Male; Neural Pathways/drug effects; Neural Pathways/metabolism; Neural Pathways/physiopathology; Neurons/drug effects; Neurons/metabolism; Patch-Clamp Techniques; Sleep Wake Disorders/metabolism; Sleep Wake Disorders/physiopathology; Thalamus/metabolism; Thalamus/physiopathology