It 's been a very , very strange day . It started badly at midnight as I was babysitting the replacement of a switch in our London datacenter and it was running over . I did n't get to sleep until 0300 .

Based on the preceding passage, choose your answer for question Why is the narrator having to monitor the work place ?
Choices:
-- This is a typical day for them .;
-- They work the night shift .;
-- None of the above choices .;
-- It possesses important information .;
The answer is:
It possesses important information .