oxymetry
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Non-rapid eye movement sleep — slow eyes redirects here. For sloe eyes, see Prunus spinosa. Non rapid eye movement, or NREM is, collectively, sleep stages 1 – 3, previously known as stages 1 – 4. Rapid eye movement sleep (REM) is not included. There are distinct… … Wikipedia
Polysomnography — or PSG is a multi parametric test used in the study of sleep; the test result is called a polysomnogram. The name is derived from Greek and Latin roots: poly (many, Greek), somnus (sleep, Latin), and graphein (to write, Greek). Normal patterns of … Wikipedia
