Is a pattern of sleeping far longer on weekends and holidays than on school or work days, which leads to poor academic and job performance.

The best answer for this would be:

delayed sleep phase syndrome

It is a sleep disorder wherein a person’s sleep cycle is not the usual time of the day or night that they sleep. This disorder is usually common among college students or workers.

the correct answer would be b, when, queen, calder hall and london.

explanation:

we always capitalize words when a paragraph or sentence is starting, when an important name is used, when a place is being written, or simply when a noun is used, etc. so in this sentence, sentence is starting from 'when', so it will be written in capital letters. secondly, queen is considered to be an important person, so it will also be written in capital letter. next, the name of the town is mentioned, i-e calder hall, which will also be written in capital letters. in the last,   city name is being used, 'london', which will also be written in capital letters. so option b is the most appropriate one.

answer(d) all of the choices are correct;