Answer:
Sleep deprivation can be detrimental, as it can cause damage to the brain. The damages that the brain can face are being unable to learn or adapt to new things and very important neurons being killed.
Explanation:
While Colonel Pickering is not what all would consider to being a "true gentleman", he is the closest to it. He has more respect toward Eliza than Higgins, whose only concern is for himself. Doolittle is only a selfish, terrrible father, and Freddy is not in love with Eliza, but merely wants to use her. Thus Colonel Pickering is the closest character to being a "true gentleman".
It is terrorist attack
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