By Susan Munroe. Definition: In Canada, the party which wins the most seats in a general election forms the government. If the party wins more than half of the seats in the House of Commons or legislative assembly, then the party forms a majority government.y Susan Munroe. Definition: In Canada, the party which wins the most seats in a general election forms the government. If the party wins more than half of the seats in the House of Commons or legislative assembly, then the party forms a majority government.
Polysomnography (PSG), a type of sleep study, is a multi-parametric test used in the study of sleep and as a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also abbreviated PSG.
Sleep study. Sleep studies are tests that record the body activity during sleep. They are helpful in identification of sleep disorders. Polysomnography, a type of sleep study, is the gold standard to rule out obstructive sleep apnea. If a home study does not find obstructive sleep apnea, but the patient still complains of unrefreshing sleep and daytime sleepiness, an in-lab polysomnogram may be necessary to find other possible disorders.