You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In which stage of anaesthesia patient becomes hyperactive: and explain in detail?
Stage I – Analgesia and conscious sedation
Stage II – Stage of delerium
Stage III – Stage of surgical anesthesia

Plane I – Pupils dilate progressively with the depth of anesthesia. Lid reflex, swallowing, retching and vomiting get abolished. Corneal reflex present. Conjunctival reflex is absent. Pharyngeal reflex lost.
Plane II – Eye balls fixed, reflexes arising from the larynx also abolished.
Plane III – Asynchrony between thoracic and abdominal movements. Progressive paralysis of intercostal muscles, pupillary light reflex and the corneal reflex is lost.
Plane IV – Complete intercostal muscle paralysis. Pupils are dilated. Muscles are flaccid.

Stage IV – Stage of respiratory paralysis