Kittens sleep more than adult cats. Photo Credit: Â© Amy Shojai, CABC. Cat sleep and understanding your sleepy cat is important because cats sleep two-thirds of their life away. That's sixteen hours or more each day, and is more than any other mammal, except for the opossum and some bats.hoto Credit: Â© Amy Shojai, CABC. Cat sleep and understanding your sleepy cat is important because cats sleep two-thirds of their life away. That's sixteen hours or more each day, and is more than any other mammal, except for the opossum and some bats.
Citing the U.S. Constitution in MLA Style. 1  1. Create your sentence. 2  2. Place the in-text citation at the end of the sentence. 3  3. Make an end reference.  4. Add a year if necessary.
To cite an Amendment of the Constitution (according to the APA Style blog):  1 All citations of the U.S. Constitution begin with U.S. Const., followed by the article, amendment, section, and/or clause numbers as relevant..  Example - In text: Women gained the right to vote in 1920 (U.S. Const. amend. XIX).