Tag: psg

How accurate is the sleep data from the Zeo?

Derek Haswell, Community Manager @ Zeo Answered Nov 11, 2010 Check out our validation studies here: http://www.myzeo.com/pages/52_fo… – these studies compared PSG (professional lab), Zeo, and Actigraphy. A quick summary would look something like… Two professional lab technicians agree with each other ~95% of the time on whether someone was asleep or awake and ~84% of…

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How Does Zeo Report Stage 4 Sleep?

published by Ryan@Zeo on Tue, 01/17/2012 – 18:10 User Question: I thought there were four stages of Non REM (NREM) sleep, but you only mention three: Stages 1 and 2 equal Zeo Light Sleep, and Stage 3 equals Zeo Deep Sleep. What happened to Stage 4?