0 the state of paying a lot of attention and trying to notice possible dangers, often when this is not necessary or reasonable:
They experienced psychiatric symptoms such as insomnia and nightmares, and hypervigilance even in safe places.
Some of the PTSD symptoms that the participants reported included nightmares, flashbacks, a sense of anxiety or fear, and a state of hypervigilance .
Mistreated children may have a hypervigilance for aggressive stimuli.
Hypervigilance and enhanced memory for danger may, historically, have protected the species.
His hypervigilance created such a stressful atmosphere that some people just didn't want to be there anymore.
A hypervigilance among American economic leaders has lingered since the grim era of the Great Depression, and has served the country well.
