Nightmares wouldn't leave Madelyn alone. In her dreams, she relived everything that had happened in her past life.
She was drenched in sweat, her pajamas soaked. She had changed into several sets of pajamas because of the sweat. Zach, trying to cool her down, wiped her with some alcohol.
In Ventropolis, there wasn't anyone quite as delicate as her.
Zach heard Madelyn repeatedly speak about a child being taken from her. Piecing it all together, he figured out Madelyn dreamt they had a child.