Economics: How could a marginal analysis be helpful when deciding whether you should go to sleep or continue to study?

A marginal analysis would help you take a decision between the two alternatives.

In a marginal analysis, you would calculate or estimate, how much benefit you would get for an additional hour of study, and how much benefit you would get for an additional hour of seelp.

Depending on whether the additional hour or sleep or study gives you the most benefit, the decision is taken.

the minoan civilization flourished in the middle bronze age on the island of crete located in the eastern mediterranean from c. 2000 bce until c. 1500 bce. with their unique art and architecture, and the spread of their ideas through contact with other cultures across the aegean, the minoans made a significant contribution to the development of western european civilization as it is known today. labyrinth-like palace complexes, vivid frescoes depicting scenes such as bull-leaping and processions, fine gold jewelry, elegant stone vases, and pottery with vibrant decorations of marine life are all particular features of minoan crete.  

so basically their unique way of ding arts, as well as architecture.

well considering i can't see the graph, it's probably prices