We see some people who suddenly get sleepy even if they have claimed that they have had a good night’s sleep. While this may be debatable, assuming that his claims are true, one has to wonder why a person would still be sleepy despite a full sleep taken.

But thanks to some researchers in Japan, it has been discovered that Narcolepsy and genes known as singe nucleotide polymorphisms or SNP. SNP is a DNA sequence variation between members of a species.

During the research, researchers discovered a genetically mutated fragment of chromosome 22 which increased subjects’ vulnerability to the disease by 1.8 times. Researchers also discovered that the mutation causes a malfunction of the gene CPT1B, which is linked to sleep. Researchers also found that a link between the genetic mutation and narcolepsy was also found in South Koreans.

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For people who do not have access to the Internet, dropping by the nearest Internet café shop is the best alternative they can get. But in Japan, there is an added twist…Café’s are becoming hotels or temporary homes for people who have no real place to live or sleep. These people have been tagged as Net Café Refugees.

This is not to say that people are checking in and out often. There are just a lot of factors such as safety in the streets at night when they are through checking the web. Some work over the web and Internet access is a need. Perhaps this is their cycle; work at the nearest café and pay for the connection used, take a nap and back to work. Now isn’t that something?

“In its first ever study of a growing group dubbed “Net cafe refugees” by local media, the Health Ministry estimated that some 5,400 people live at least half the week at the 24-hour cafes because they have no permanent home.”

Read more of the study here: Over 5,000 sleep in Japan’s Net cafes, study shows

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Here’s some really funny pranks for people sleeping in Japan…

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