Anesthesia - Wakefulness - Consciousness - Sleep

Wakefulness is a daily recurring brain state and state of consciousness in which an individual is conscious and engages in coherent cognitive and behavioral responses to the external world.

en.wikipedia.org › wiki › Wakefulness

Wakefulness - Wikipedia

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Sleep - Wikipedia

Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity and ...

‎Sleep disorder · ‎Sleep hygiene · ‎Sleep cycle · ‎Neuroscience of sleep

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Anesthesia or anaesthesia (from Greek "without sensation") is a state of controlled, temporary loss of sensation or awareness that is induced for medical purposes. It may include analgesia (relief from or prevention of pain), paralysis (muscle relaxation), amnesia (loss of memory), or unconsciousness.

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Anesthesia - Wikipedia

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A coma is a deep state of prolonged unconsciousness in which a person cannot be awakened; fails to respond normally to painful stimuli, light, or sound; lacks a normal wake-sleep cycle; and does not initiate voluntary actions.

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Coma - Wikipedia

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en.wikipedia.org › wiki › Consciousness

Consciousness - Wikipedia

Consciousness at its simplest is "sentience or awareness of internal or external existence". Despite centuries of analyses, definitions, explanations and debates by philosophers and scientists, consciousness remains puzzling and controversial, being "at once the most familiar and most mysterious aspect of our lives".

‎Higher consciousness · ‎Animal consciousness · ‎Consciousness Explained · ‎Psyche

www.scientificamerican.com › article › what-is-consciousness

What Is Consciousness? - Scientific American

Jun 1, 2018 - Consciousness is everything you experience. It is the tune stuck in your head, the sweetness of chocolate mousse, the throbbing pain of a ...

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https://www.ninds.nih.gov/Disorders/All-Disorders/Attention-Deficit-Hyperactivity-Disorder-Information-Page