Consciousness is awareness of and stimuli; often described as a continuum ranging from full awareness to deep sleep.

Consciousness is the awareness of INTERNAL and EXTERNAL stimuli; often described as a continuum ranging from full awareness to deep sleep.

Explanation:

Internal stimuli include pain, hunger, thirst while external stimuli include light, sound.

Variation of consciousness is seen in different physical states ranging from full alertness to deep sleep. This is controlled by the biological clock, the circadian rhythm.

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emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.