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Somnologie

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Chronobiologische Aspekte der Sommerzeit

  • Till RoennebergEmail author
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Zusammenfassung

Die herrschenden Sommerzeitregelungen werden kontinentübergreifend neu diskutiert. Während das bisher „Sommerzeit-freie“ Japan diese zweimal jährliche Intervention einzuführen plant, möchten andere Regionen die Uhrenumstellungen abschaffen – allerdings mit unterschiedlichen Ansätzen: Kalifornien setzt auf ganzjährige Sommerzeit, die EU-hat sich noch nicht zwischen den Optionen ganzjährige Standard- oder Sommerzeit entschieden und will die Entscheidung 2020 den Mitgliedsstaaten überlassen. Eng im Zusammenhang mit diesen Zeitkonstruktionen steht auch die Entscheidung, zu welcher Zeitzone ein Land gehört. Wenn man die Biologie versteht, die diese politischen Entscheidungen begleitet, wird man feststellen, dass Uhrenumstellungen und Zeitzonenwechsel auf das Gleiche hinauslaufen und dass sich diese Konstruktionen auf unsere Gesundheit auswirken. Aus diesen Gründen sollte man die zugrundeliegende Chronobiologie verstehen, bevor man in Sachen Sommerzeit oder Zeitzonen Gesetze verabschiedet.

Schlüsselwörter

Zeitzonen Chronotyp Circadianer Rhythmus Entrainment Sozialer Jetlag 

Chronobiological aspects of daylight saving time

Abstract

The prevailing daylight-saving time regulations are currently being discussed and reconsidered in many countries across the globe. Japan that has so far stuck to standard time is planning to introduce this twice-yearly intervention, while other regions prefer to abolish the clock changes – though with different approaches: California is introducing daylight-saving throughout the year; the EU has not yet decided between the different perennial options and wants to let the member states decide in 2020. These social time constructs are closely related to different time-zone allocations. If we understand the biology impacted by these political decisions, we will recognize that clock changes are nothing but time-zone allotments that potentially affect our health. We therefore need to understand the underlying chronobiology before changing peoples’ clocks or allotting countries to different time zones.

Keywords

Time zones Chronotype Circadian rhythm Entrainment Social Jetlag 

Notes

Einhaltung ethischer Richtlinien

Interessenkonflikt

T. Roenneberg gibt an, dass kein Interessenkonflikt besteht.

Für diesen Beitrag wurden von den Autoren keine Studien an Menschen oder Tieren durchgeführt. Für die aufgeführten Studien gelten die jeweils dort angegebenen ethischen Richtlinien.

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Copyright information

© Springer Medizin Verlag GmbH, ein Teil von Springer Nature 2019

Authors and Affiliations

  1. 1.Institut für Medizinische PsychologieLudwig-Maximilians-Universität MünchenMünchenDeutschland

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