There are many different kinds of sleep disorders with many different causes.

Excessive tiredness and narcolepsy are one kind. Snoring and sleep apnoea are common. There are sleep behaviour disorders like sleeptalking and sleepwalking or a tendency to nightmares. Insomnia is thought to affect between 10-16% adults. And then there are circadian rhythm sleep disorders, a fascinating and increasingly common form of sleep disorder.

Humans used to sleep a lot more than we do now. Granted our lives are no longer quite as active as when we were running from sabre tooth tigers and sleeping in caves. But it was the arrival of artificial light that really changed our sleeping habits – not how tired people might be from long work days and harsher living conditions. Even then, there was a moral side to sleeping less that continues to this day.

There are lots of ways your mobile can help keep you fit and healthy… and a few ways it doesn’t help so much.

Using your mobile to check for social media updates, browse the web, or play a game, is what makes smartphones so great. They are indispensable parts of our lives. But too much of a good thing can still be a problem.

Summer barbecues, picnics in the park, gorgeous sunsets, cool pints of cider, hotdogs or legs, all the best bits of summer captured for posterity and to be shared with your friends via your mobile phone.

For some people however the pressure of social media and the availability of all the different avenues of communication in their phone can cause problems.

Every year increasing numbers of couples struggle to conceive. While fertility issues can often focus on the female partner male infertility is on the rise. 30-40% of trouble getting pregnant is thought to be down to male infertility.

So what can you do if you are having trouble getting pregnant?

Over the past few weeks we have been looking at what causes male infertility and some of the science behind it. Most people know that smoking and drinking alcohol to excess can cause infertility but what about some of the less well known fertility factors?

You can’t have failed to notice the phenomenon that is Pokemon Go. The massively popular mobile game has taken the globe by storm in just a few weeks.

Mobile phone radiation is the subject of increasing study but still not enough is known about this X factor in male infertility.

There are many causes of male infertility and some are not what you might think. Lots of research has been done and continues to be done in the area. Which is especially important now with sperm counts falling worldwide and male infertility affecting 20% of all young men.