Hours of Sleep: How Long Is Too Little or Too Much?
On average, adults need 7-9 hours of sleep every night to stay healthy unless you are a short sleeper (or sleepless elite). [8] As a short sleeper, he/she has an easy time falling asleep and only needs four to five hours of sleep each night to feel well-rested and alert. However, to be an elite sleeper is, for the most part, genetic and scientists estimate they make up only about 1% of the population. If Sleep Too Little Adults who slept 5 hours or less a night had a 15% greater mortality risk compared with those sleeping 7 hours. As we know, too little sleep may fuel insulin resistance Sleep deficiency results in a higher than normal blood sugar level, which may increase your risk for diabetes [2] After four nights of sleep deprivation (sleep time was only 4.5 hours per night ), study participants' insulin sensitivity was 16 percent lower, while their fat cells' insulin sensitivity was 30 percent lower, and rivaled levels...