Forty-five panic disorder patients and 26 normal control subjects were
surveyed regarding their histories of sleep panic attacks, insomnia, and
vulnerability to exogenous panic stimuli. Sixty-nine percent (N = 31) of
the patients reported having experienced sleep panic at some time in their
lives, and 33% (N = 15) of the patients experienced recurrent sleep panic.
The implications of these findings for the management of panic disorder are