The classification of sleep disorders is necessary to discriminate between disorders and to facilitate an understanding of symptoms, etiology, and pathophysiology that allows for appropriate treatment. The earliest classification systems, largely organized according to major symptoms (insomnia, excessive sleepiness, and abnormal events that occur during… (More)
This study was undertaken to determine whether the use of triazolam by narcoleptic patients leads to improvement of nighttime sleep or excessive sleepiness. Ten narcoleptic patients, 5 males and 5 females, with complaints of sleep disturbance and aged between 18 and 60 years, were assigned to a single-blind within-subject crossover-designed study comparing… (More)
Sleep disturbances in patients with Parkinson's disease (PD) are common, are often severe, and are typically underrecognized and ineffectively treated. After the recognition that some patients with PD could fall asleep unexpectedly when driving, with resulting dangerous consequences, it became evident not only that PD medications might be partly responsible… (More)
The delayed sleep phase syndrome is characterized by difficulty in falling asleep at a socially acceptable time of night and an inability to be easily aroused in the morning. Most commonly encountered in adolescents, this condition can produce daytime sleepiness and poor school performance, and it can lead to behavioral problems. The clinical features of… (More)
We have studied 2 patients with multiple sclerosis and narcolepsy. In both patients, the DR 2 histocompatibility antigen was positive. In each of the patients, the diagnosis of narcolepsy was confirmed by polygraphic testing.
Restless legs syndrome (RLS) is a common neurologic disorder occurring in 3% to 15% of the general population, which contributes to poor quality of life. Many patients go undiagnosed for years after onset of symptoms, which delays or prevents effective treatment. Extensive research over the past decade has led to a better understanding of RLS and effective… (More)
RATIONALE Modafinil is a first-line wake-promoting medication and a useful therapeutic alternative to psychostimulant medications for excessive daytime sleepiness. OBJECTIVE This 5-week, randomized, open-label study evaluated three strategies for switching patients from methylphenidate, a commonly used psychostimulant, to modafinil. METHODS Patients (… (More)
Narcolepsy treatment has changed dramatically over the last century. For the treatment of sleepiness in narcolepsy, we have progressed from the early use of caffeine. We have available a variety of different stimulants, and a wake-promoting agent, modafinil, which is widely regarded as the first-line medication for narcolepsy. Cataplexy is managed by… (More)