Tag: sleep stages

SLEEP STAGES – THE SECRET TO BETTER SLEEP

Sleep alternates between two phases: orthodox sleep and REM sleep. These phases can be distinguished from one another in EEG (electroencepha- lography). The majority of sleep is orthodox sleep (deep sleep, quiet sleep, slow-wave sleep) that can be further divided into three NREM (non-rapid eye movement) stages: N1, N2 and N3. These are in contrast…

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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?