Previously Published to Benzinga: The following post was written and/or published as a collaboration between Benzinga’s in-house sponsored content team and a financial partner of Benzinga. There’s a genetic link between narcolepsy, sleeping with one eye open and the so-called “fear conditioning” of so many different animals on this planet. A lack of sleep is not only dangerous to the health of humans but it also puts the health of these animals at risk, no matter their shape, size or species. Social hierarchy, diet, brain size and body mass are contributing factors to how much sleep particular animals naturally need. Outside factors might even include their immediate environment and a…