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 discover
