Daylight Saving Time (DST) shifts can affect public safety, particularly around the spring transition when clocks move forward an hour. Research has linked this change to an increase in fatal accidents, primarily due to disrupted sleep patterns and altered circadian rhythms. Here’s what you should know:
- Increased Accident Risk: Studies show a spike in fatal car crashes in the days following the start of DST, with risks rising by about 6%. Sleep deprivation and darker mornings contribute to impaired alertness and slower reaction times.
- Sleep Disruption: Losing an hour of sleep can lead to increased fatigue, which affects decision-making and concentration. Even a small amount of sleep loss can have outsized effects on driving safety.
- Workplace Safety: The Monday after the spring transition also sees a rise in workplace injuries, as employees are more prone to mistakes due to lack of sleep.
- Heart Health & Stress: The sudden change in sleep and wake times can increase stress and heart attack rates, which may indirectly affect accident risks as well.
How to Mitigate Risks:
- Gradually Adjust Sleep: In the days leading up to the time change, try going to bed and waking up 15–30 minutes earlier to ease the transition.
- Drive with Extra Caution: Be especially vigilant during your morning commute after the shift. Give yourself extra time to get where you’re going.
- Bright Morning Light: Exposing yourself to natural light in the morning helps reset your internal clock, reducing fatigue.
- Prioritize Sleep Hygiene: Limit screen time before bed, avoid heavy meals or caffeine late in the evening, and create a calming bedtime routine.