Patrik Hellström

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It has been suggested that physical or social activity is associated with fewer sleep disturbances among elderly people. Women report more sleep disturbances than men, which could indicate a variation in activity patterns between the genders. The aim of this study was to investigate associations between sleep disturbances and leisure activities in men and(More)
The Domain Name System is used everyday by all the people surfing the Internet. Most of the people probably don't even have an idea that it exists and how important it is in order to make the Internet fully operational. Among those people who have heard of the system or even knows what it is, only a small group probably knows how easy it is to exploit it.(More)
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