Saturday, 29 March 2025

Clocks Spring Forward Tonight

If there is a nicer couple of words to say than 'Circadian Rhythm' I haven't found them, i imagine it is something to do with the hard C in the first word and the pleasing mmmm sound at the end but if I ever changed the name of my blog, it would be that although what the rhythm of your body's natural 24-hour clock has to do with the tree hugging lefty stuff I put out I would need to work on but with the clocks due to go forward in the UK tonight, Circadian Rhythms are in the news.   
It may seem like a minor adjustment, we lose an hours sleep tonight but apparently scientific studies show that the alteration to our alarm clocks can take days to adjust to and for some people the transition period can last for weeks.
As usual, it all comes down to the brain and in particular the bit that regulates hormone release, body temperature and metabolism and if your  circadian rhythm is out of kilter, those things will be disrupted too.
Exposure to natural light is one of the most important factors in helping the body adjust to a new time so the more morning sunlight a person gets, the faster their circadian rhythm realigns.
German researchers monitored 50 healthy adults for four weeks before and after each transition and found that Spring losing an hour adaptation took longer than the Autumnal extra hour adaptation but even more worrying they found that the seems to create a slightly increased risk for those with life-threatening health conditions and a 2024 study analysing 14 million deaths in the US from 2015 to 2019 found a slight increase in all deaths after the spring transition but a decrease in mortality after the autumn transition.
In further news, i checked and i could not find a blog called Circadian Rhythms so...

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