A Multicenter, Open-label Study to Determine the Effects of Lacosamide on Sleep in Healthy Subjects

Inclusion Criteria: * Reliable and capable subject who signs an IRB approved consent form * Subject is male or female between 18 and 50 years old whose normal Body Mass Index (BMI) is between 18 and 28 kg/m\^2 * Subject has no clinically relevant cardiovascular, renal, gastrointestinal, hepatic, metabolic, endocrine, neurological or psychiatric abnormalities * Subject is in good health who has good sleep hygiene and normal bed times between 21:00 and 01:00 hours Exclusion Criteria: * Subjects who have participated in previous Lacosamide studies or received Lacosamide * Subjects who have received another investigational medication within 30 days or currently participating in an investigational study * Subject has a history of or screening polysomnography that reveals sleep disorders (i.e. sleep apnea or narcolepsy) * Subject consumes more than 400 mg of caffeine per day * Subject has known hypersensitivity to Lacosamide * Subject has alcohol or drug abuse within last 2 years * Subject who consumes more than 40 g of alcohol per day * Subject has a positive alcohol breath test or urine drug screen * Subject smokes more than half a pack of cigarettes per day or consumes nicotine products * Subject is pregnant / nursing or child-bearing potential female not sterile or using contraception methods * Subject is male who does not agree to use contraception * Subjects taking any medications currently or within 2 weeks prior to first dose except non-steroidal anti-inflammatory drugs, oral contraceptives, and non-psychoactive supplements * Subject has elevated live enzymes greater than 2 times the upper limit of normal * Subject has donated blood or had blood loss greater than 400 mL within 3 months prior to first dose * Subject has out of range hematology or chemistry parameters * Subject has clinically relevant abnormality in physical examination or vital signs * Subject has sick sinus syndrome without a pace maker or second or third degree atrioventricular block or clinically significant electrocardiogram finding * Subject has sodium channelopathy * Subject has experienced a myocardial infarction in last 3 months * Subject has New York Heart Association Class III or IV heart failure * Subject has a lifetime history of suicide attempts * Subject has any medical or psychiatric condition * Subject has a known history or severe anaphylactic reaction or serious blood dyscrasias