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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Anesthesiology. 2012 Apr;116(4):946–959. doi: 10.1097/ALN.0b013e318249d0a7

Table 1.

Consciousness, connectedness and responsiveness in wake and sleep states.

Consciousness Connectedness Responsiveness
Awake Yes Yes Yes
NREM Sleep No No No
REM Sleep Yes No No

NREM = non-rapid eye movement sleep. This refers to slow wave sleep early in the night when subjects are often unconscious. REM = rapid eye movement sleep