Julie has an ectomorph body type, which means she is tall and thin with long arms and legs.

True
The different body types are: ectomorph, endomorph, mesomorph, or a combination of two of these types of body sizes. 

“People come in all shapes and sizes,” is a statement that supports size acceptance. All human beings have distinct characteristics that they have acquired from their parents. There really are different body types and it varies not only with genes but also in ethnicity. Some Westerners are born with bigger structures compared to their Asian counterparts. Africans also have a different body structure compared to Europeans.

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle