India, May 22 -- In an unusual and alarming case, a 48-year-old woman from Chengdu, Sichuan province, China, suffered a bone fracture simply by turning over in her sleep, an injury doctors linked to years of excessive sun avoidance, reported the South China Morning Post.

The case came to light after Dr. Long Shuang, an attending physician at the emergency department of XinDu Hospital of Traditional Chinese Medicine, shared details of the incident. According to Dr. Long, the woman had avoided sunlight since childhood, never wore short sleeves outdoors, and was meticulous about sun protection to maintain fair skin.

This extreme lifestyle eventually led to a critical deficiency in vitamin D, which plays a vital role in calcium absorption a...