Tagged: polysomnography

Measuring sleep: The squiggles explained! (Part 2) - Sleep on it

Karyn O'Keeffe Apr 07, 2011

In a previous post, I provided an overview of the stages of human sleep.  But how do we determine what stage of sleep a person is in? The current gold standard for objectively measuring sleep is called polysomnography or PSG. This mouthful is derived from the Greek poly meaning ‘many’, somnus meaning ‘sleep’ and graphein meaning ‘to write’.  Polysomnography … Read More