
From the WHP annual calendar · Sunday, March 28, 2027
Switch to Daylight Saving Time
Spring clock change (last Sunday in March): one hour less sleep. In the following week, heart attacks and traffic accidents become more frequent (e.g. Janszky & Ljung, NEJM 2008). A short briefing helps employees through the change.
Idea to get started
Info email on the Friday before the change with five concrete sleep tips. On the Monday after, flexible start times and enough drinks in the office. Note for managers: a dip in performance in the first week is normal. Use the lighter evenings for a joint after-work activity.
Did you know?
In the first week after the switch to daylight saving time, the number of heart attacks rises by about five percent on average, especially in the first three days. That was the finding of a Swedish study in the New England Journal of Medicine.
Source: Karolinska Institutet, Clock shifts affect risk of heart attack (Janszky & Ljung, NEJM 2008)
No proven best practice for this occasion yet
The measures below come from this occasion's action area. They fit the topic but were not carried out for this exact occasion.
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