OBJECTIVE To characterize factors that contribute to symptomatic narcolepsy and excessive daytime sleepiness in neuromyelitis optica and multiple sclerosis. SETTING Japanese university hospitals. DESIGN Case study. PATIENTS Seven Japanese patients whose initial diagnoses were multiple sclerosis and who were exhibiting excessive daytime sleepiness. MAIN OUTCOME MEASURES Lesions on magnet...

INTRODUCTION Sleepiness in students has an impact on their learning, focus and memory. Sleepiness is caused by multiple factors. Therefore, our objective was to estimate the frequency of sleepiness in Peruvian students and assess its relation to lifestyle and sleep habits. METHODS Cross-sectional study conducted on first through fifth year secondary students. The Spanish version of the pediat...