Anxiety and stress, often as the result of a traumatic life event, are sometimes the cause ofn i g h t m a r eand bad dreams. According to the International Association for the Study of Dreams (IASD), a major surgery or illness, grieving over the loss of a loved one, and suffering or witnessing an assault or major accident can trigger bad dreams andn i g h t m a r e . Post-traumatic stress disorder (PTSD) is also a common cause of recurrentn i g h t m a r e .
补充：No one likes being jolted awake from a deep sleep, especially when what riled you up was an assailant, a snake in the bed, or being engulfed by flames. Bad dreams—or worse,n i g h t m a r e —aren’t just annoying; when reoccurring, they can disrupt a good night’s sleep, and sometimes, life.
On the spectrum of dreams, missing an important exam or showing up naked to work pales in comparison ton i g h t m a r e , which are defined as bad dreams that wake the sleeper. They occur during REM period late in the evening and because we jerk awake during them, we usually remember all too clearly the fear, anxiety, and horrors.
|
