This is, in part, due to the physical effects of being on a biological roller coaster of hypervigilance for safety at work and the let - down effect once off duty. (principleskills.com)
Furthermore, interindividual differences in perceived rejection (i.e. rejection sensitivity), and hypervigilance for signs of rejection [12] are also predictors for depression. (journals.plos.org)
If the fear is intense, the mind might be plunged into a state called hypervigilance, in which a person scans the environment rapidly and randomly, unable to think through the available options clearly. (discovermagazine.com)