Whiplash injury may deregulate the biological clock
- Correspondence to: M G Smits Centre for Sleep-Wake disorders and Chronobiology, Gelderse Vallei Hospital, Box 9025, 6710 HN, Ede, The Netherlands
Several risk factors may predispose to circadian rhythm disturbances
In this issue Bloch et al1 (pp 1178–80) describe a patient who developed a free running circadian rhythm after a whiplash injury. The concisely documented case report strongly suggests that a whiplash injury may result in a treatable circadian rhythm disorder. This is important for neurologists and other caregivers involved in patients with a chronic whiplash syndrome (CWS).
The demonstration of a disturbed circadian rhythm (by clinical history, and supported by actigraphy and salivary melatonin) can help CWS patients, people in their environment, and insurance companies to understand one of the possible reasons …







