"On 5 July, Sandra Sterling lay awake in her bed nearly the entire night.
'At 1:30 this morning, you'll never know what I went through,' she said later.
Before the sun rose on 6 July, Diamond Reynolds also could not sleep.
'The first thing I did was think, 'Phil's not here,'' she said. 'Last year we was waking up together around this time.'
And in the wee hours of 7 July, Abigail Irizarry, a dispatcher for the Dallas Police Department, was also struggling.
'I woke up early and it was kind of hard seeing everything on the news all over again,' she said. 'The footage of what happened.'"