Clinical Global Impression of Change (CGI-C)1
The CGI-C is a standard assessment tool used by doctors to measure the impact of symptoms or disease on your overall medical condition. In addition, it allows your doctor to track your response to treatment. Using a 7-point scale, a change in your overall condition is measured using the CGI-C that ranges from Very Much Improved to Very Much Worse .
Continuous positive airway pressure (CPAP)2
CPAP is the most common treatment for obstructive sleep apnea (OSA). CPAP is delivered through a machine that provides a stream of compressed air through a hose to a nasal pillow, nose mask, or full-face mask. This delivery allows for unobstructed breathing to take place, making it easier for a person to breathe during sleep.
Epworth Sleepiness Scale (ESS)3,4
The ESS measures your general level of sleepiness. It asks you to rate the chance that you would doze off during 8 routine daytime situations. Your score can help you start a conversation with your doctor about excessive sleepiness (ES) and underlying causes of ES such as treated obstructive sleep apnea (OSA), shift work disorder (SWD), formerly known as shift work sleep disorder, and narcolepsy.
Excessive sleepiness (ES)5
ES is defined as having trouble staying awake enough to do the things you usually do.
Isomer6,7
Isomers are two or more compounds that have the same number and kinds of atoms but have different chemical characteristics. NUVIGIL is made of R-modafinil, the longer-lasting R-isomer of modafinil.
Karolinska Sleepiness Scale (KSS)8
A questionnaire used to measure your overall level of sleepiness on a 9-point scale, ranging from 1 (very alert) to 9 (very sleepy, great effort to stay awake, fighting sleep).
Maintenance of Wakefulness Test (MWT)9
The MWT is an assessment of sleepiness that measures a person's ability to stay awake in the controlled environment of a sleep lab.
Modafinil6,7,10
Modafinil contains only 50% of the longer-lasting R-isomer found in NUVIGIL. The other 50% is a shorter-lasting isomer called S-modafinil.
Multiple Sleep Latency Test (MSLT)9
Administered by a physician in a sleep lab, an MSLT is an assessment of sleepiness that measures a person's likelihood of falling asleep. The test measures the time it takes one to get to sleep when given 20 minutes to do so.
Narcolepsy11,12
Narcolepsy is a sleep disorder involving the brain. Narcolepsy occurs when the brain is unable to normally regulate cycles of sleep and waking. This can cause people with narcolepsy to experience excessive sleepiness, including episodes of falling asleep suddenly.
Obstructive sleep apnea (OSA)12-14
OSA is caused by a blockage in a person's airway that can disrupt breathing during sleep. This disruption in breathing can cause a person to wake repeatedly throughout the night and can have serious health consequences.
Placebo-controlled study
In a placebo-controlled study, one group of patients is given an active drug and another group of patients is given a placebo, also called a sugar pill, which has no clinical effect. The results from these two groups are then compared at the end of the study to determine the effects of the active drug.
R-modafinil/armodafinil6,7
R-modafinil, or armodafinil, is the generic name for NUVIGIL. R-modafinil is the longer-lasting isomer of modafinil, a similar medicine.
Shift workers12
Traditionally, people thought of as shift workers include nurses, factory workers, and truck drivers. But in today's world, this category has grown to include people who work other types of non-traditional schedules, including chefs, radio DJs, stockbrokers, and many other kinds of jobs.
Many people who work shifts or a non-traditional schedule may not have the option to work a different schedule.
Shift work disorder (SWD), or shift work sleep disorder12
SWD occurs when the body's internal sleep-wake clock is out of sync with the work schedule (the body wants to go to sleep when it needs to stay awake). Because of this disruption of the body's natural rhythm, people with SWD often struggle to stay awake during their waking hours or have trouble sleeping during their sleeping hours.