Why Sleep
Levels of Consciousness Subconscious - Consciousness just below the level of awareness. It contains thoughts and ideas just out of our awareness. Unconscious.
Unit II Chapter 4-Consciousness and its variations Chapter 6-Memory
Consciousness and Its Variations. Any rhythmic change that continues at close to a 24- hour cycle in the absence of 24-hour cues body temperature cortisol.
Chapter 4: Consciousness and Its Variations