The Effects of Lasmiditan on Simulated Driving Performance - Healthy Participants

Inclusion Criteria

• Able and willing to voluntarily consent to participate in this study and provide written informed consent prior to start of any study-specific procedures.
• Males and females between the ages of 21 and 50 years of age (inclusive). No more than 60% of one gender will be enrolled in the study.
• Body Mass Index (BMI) between 18 and 32 kilograms per meter squared (kg/m²) (inclusive).
• Participant is able to reliably perform study assessments (Standard Deviation of Lateral Position (SDLP) no higher than 1 standard deviation greater than the mean for normal healthy adults completing the practice scenario; Symbol Digit Coding (SDC) Correct no less than 1 standard deviation below the mean for healthy adults in their age range); demonstrates the ability to understand task instructions, and is physically capable (e.g., adequate manual dexterity, vision, and hearing) and cognitively capable of performing study tasks.
• Participant possesses a valid driver's license and is an active driver. Drives a minimum of 10,000 miles (about 16,000 km) per year for the previous 3 years.
• Participant must also demonstrate simulator sickness questionnaire scores which are not indicative of simulator sickness as defined in the driving simulation operations manual.
• Participant has a regular sleep pattern, is not engaged in shift-work, and in general, has at least 7 hours of sleep each night (bedtime occurs between 21:00 and 24:00 hours).
• Participant has a score < 10 on the Epworth Sleepiness Scale.
• Use of a medically highly effective form of birth control during the study and for thirty (30) days:
• Participants who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.

Exclusion Criteria

• History or presence of clinically significant condition that, in the opinion of the Investigator, would jeopardize the safety of the participant or the validity of the study results.
• A history within 2 years of, or current treatment for, a sleeping disorder (including excessive snoring, obstructive sleep apnea), or a chronic painful condition that interferes with the participant's sleep.
• A history of difficulty either falling asleep or staying asleep in the previous 3 months, that is considered clinically significant by the investigator.
• Participant has a history or diagnosis of any of the following conditions:
• Primary or secondary insomnia
• Narcolepsy
• Cataplexy (familial or idiopathic)
• Circadian Rhythm Sleep Disorder
• Parasomnia including nightmare disorder, sleep terror disorder, sleepwalking disorder, and rapid eye movement behavior disorder
• Sleep-related Breathing Disorder (obstructive or central sleep apnea syndrome, central alveolar hypoventilation syndrome)
• Periodic Limb Movement Disorder
• Restless Legs Syndrome
• Primary Hypersomnia
• Excessive Daytime Sleepiness (EDS)
• Participant has visual or auditory impairment which in the opinion of the investigator would interfere with study related procedures or study conduct.
• Expected to use any other medication or dietary supplement to promote sleep including over- the-counter sleep medications, during their participation in the study.
• Participant consumes excessive amounts of coffee, tea, cola, or other caffeinated beverages per day.
• Participant has traveled across 1 or more time zones (transmeridian travel) in the last 2 weeks prior to randomization or is expected to travel across 1 or more time zones during the study.
• Expected to work on a rotating shift during their participation in the study.
• Participant works a night shift.
• History or presence of seizure disorder.
• History of urinary retention, angle closure glaucoma, or increased ocular pressure.
• History of gastrointestinal tract surgery, except for appendectomy.
• Has abnormal finding on the physical exam, medical history, electrocardiogram (ECG), or clinical laboratory results at Screening, that are considered clinically signifi