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Updated: Oct 26, 2025

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
Published on: April 7, 2020
Daylight Saving Time: Pros and Cons
Barbara Gnidovec Stražišar1, Lea Stražišar2
1Centre for Paediatric Sleep Medicine, Paediatric Department, General Hospital Celje, Celje, Slovenia; Department of Clinical Medical Studies, College of Nursing in Celje, Celje, Slovenia.
Abstract:
The original rationale for the adoption of daylight saving time (DST) was to conserve energy; however, the effects of DST on energy consumption are questionable or negligible. Conversely, there is substantial evidence that DST transitions have the cumulative effect on sleep deprivation with its adverse health effects. In light of current evidence, the European Commission in 2018 decided that biannual clock change in Europe would be abolished. Current indirect evidence supports the adoption of perennial standard time, which aligns best with the human circadian system and has the potential to produce benefits for public health and safety.
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