„We need brightly lit streets to protect women from rape!” Really? Seriously?!? I’ve reached the point where I get angry – and I have some good arguments why we do not need so much light. I frequently get this statement. No matter how many arguments I have for the protection of insects, birds, hedgehogs or …
Right now, there is pretty much one topic: Covid-19. Many hope for a vaccine, but it’s not less important to find a treatment and others way to prevent infection. The internet is full of advise on how to boost the immune system. Some of it is good, some of it is crap, some of it …
Sleep usually happens at night. For our ancestors, there were very practical reasons for this. Artificial light was expensive, high maintenance, and not without danger. Also, it was too dim for most kinds of work. Then Thomas Edison made electrical light affordable for daily use – and it was possible to work all night too. …
In today’s world, LED displays are omnipresent. We use them for computers, smart phones, e-book readers and television. And we use all these appliances until late at night, often right before we go to bed. After all, we usually have more work than we can cope with in an eight hour day, and reading …
Sleep is an important topic these days. How many hours of sleep do we need, at which time of the night, and in what position? Some people are boasting about their ability to sleep only a few hours, others are very concerned about getting enough healthy sleep. Yesterday, the German health insurance company Techniker Krankenkasse …