I often worry about people who don't seem to get enough sleep since I live with one.
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A recent article I read stated that while no one has died from lack of sleep, many people do things that are stupid and risky and die as a result of those actions. Apparently, the frontal lobe area of the brain is responsible for judgment and assessment is affected by the lack of sleep, which results in us making poor decisions, such as driving while overly tired.
Sleep research right here at the University of California in San Diego indicates that just one night's lack of sleep makes people slower and less attentive to usually simply things like speaking, typing, and listening. As the article said, "Neurons misfire and we look like goofs." LOL
Sleep is when our bodies rejuvenate themselves, so a lack of sleep can severely affect us, even to the extent weakening our immune systems, making us more susceptible to colds and other diseases.
Interestingly, areas of our brains can go into "microsleep," which is when one area of the brain shuts down with its functions taken over by a backup part of the brain. As with any backup system, though, it's usually not as good as the original, so our work can still suffer.
The sleep researchers here have a catalog of research involving 1.1 million people that indicates that seven hours of sleep is optimal, with five or six being okay. Eight hours or more of sleep each day increased the risk of an early death, as did four hours or less of sleep.
Apparently, sleep is cumulative, so if you're a cat-napper who gets five to seven hours of sleep each day, you should be okay.
Get 5-7 hours of sleep each day
for optimum health.
Some of Jim's blog entries