KnowraWakefulnessLinked fromLinked fromThe 4 pages that link to Wakefulness, each with the reason it gives.All 4Broader topic 1Compared with 3ConsciousnessCompared with: Wakefulness can occur without clear awareness, separating arousal from experience.Sleep-wake cycleBroader topic: Its duration and ending are central features of the cycle.Rapid eye movement sleepCompared with: REM resembles wakefulness in brain activation while lacking ordinary responsiveness and muscle control.Altered state of consciousnessCompared with: Ordinary waking awareness is the reference point from which an altered state is distinguished.