This week parts of Australia are preparing to wind back their clocks to mark the ending of daylight saving time.

For a long time the country has been divided about the positives and the negatives of changing the clocks twice a year.

Norman and Tegan look into the health effects of this shift – from the impact on sleep to medical procedures and road accidents.

References:

• Basic concepts and unique features of human circadian rhythms: implications for human health | Nutrition Reviews | Oxford Academic
• Are Daylight Saving Time Changes Bad for the Brain? | Cerebrovascular Disease | JAMA Neurology
• Daylight Saving Time and Acute Myocardial Infarction: A Meta-Analysis
• Daylight savings time transitions and risk of out-of-hospital cardiac arrest: An interrupted time series analysis
• Embryo transfers performed during daylight savings time led to reduced live birth rates in older patients | Journal of Assisted Reproduction and Genetics
• Daylight saving time as a potential public health intervention
• Does lowering evening rectal temperature to morning levels offset the diurnal variation in muscle force production?