Regarding sleep among various animal species, which of the following statements is/are TRUE?

Question

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A) Not all animals sleep is true, as there are some animals that do not sleep, like some species of fish and insects.
B) The dolphin is able to voluntarily breathe air and sleep without drowning by sleeping on just one side of its brain at a time. This is also true, as research has shown that dolphins and some other aquatic mammals are able to sleep in this manner.
C) If a human does not sleep, he or she will go into a stupor, coma, and then death. This is also true, as sleep is essential for the functioning of the brain and body, and a long-term lack of sleep can result in serious health problems and even death.

Regarding Sleep Among Various Animal Species, Which of the Following