Which of the following is NOT a common symptom of posttraumatic stress disorder?

_____ is diagnosed when an individual has difficulty falling asleep or staying asleep, has poor quality sleep, and/or wakes too early

a) Narcolepsy b) Restless leg syndrome c) Insomnia d) Sleep apnea

There's not much evidence for the heritability of personality factors in general

Indicate whether the statement is true or false