Maybe because you had something that a bit of caffeine or sugar in it. You can dim your lights and try to read and then maybe you will fall asleep.
The answer is Positive or negative depending on the circumstances, whether between a serious illness where someone needs medical attention and has noticeable symptoms or they can be faking it which would relate to a mental disorder.
I hope this helps
Lit a would need to get some sleep because she will need to be rested and refreshed for the second 24 hr. shift
