In the Victorian era, it was considered feminine and appropriate for young women to faint. Women with a frail and weak appearance were even considered to be ideal beauties. This fashion obviously did not apply to young men, who were expected to be strong and healthy. Some say that the corset women wore in order to supposedly slim the body and make it conform to a fashionable silhouette by reducing the waist and thereby exaggerating the bust and the hips was the cause of their tendency to faint.

Benign paroxysmal positional vertigo BPV is one of the most common causes of vertigo. Vertigo is a sudden sensation that you or your head are spinning. You may also experience nausea or vomiting. BPV episodes typically last less than a minute.

Laura Crow has higher resting heart rate which means she can pass out if she's not getting enough sleep, too hot, laughing, doing exercise or even while watching a horror movie. A woman with a rare condition that causes her to suddenly faint has revealed it even occurs during sex. Laura Crow, 28, was diagnosed with debilitating postural tachycardia syndrome PoTS in , after the condition was triggered by her first pregnancy. The rare condition means Laura's resting heart rate is a whopping beats per minute — around 40 beats higher than the average person.