The Portable Document Format is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images and other information needed to display it. PDF was standardized as an open format, ISO 32000, in 2008, and does n
The usual recommended dosage of Provigil is 200 mg once daily. This dose should be taken in the morning for people with narcolepsy or sleep apnea. For people with shift work sleep disorder, the dose should be taken about one hour before the start of the work shift.
Those who take a low dose (e.g. under 150 mg) may not notice anything in terms of withdrawal symptoms. Most people who take NuVigil end up taking 150 mg daily to help them stay awake and vigilant â this is the standard dosing. There is no scientific evidence supporting increased efficacy beyond the dosage of 150 mg.