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Can You Survive on 4 Hours of Sleep a Night?

February 17, 2014


Can You Survive on 4 Hours of Sleep a Night?

Famously Thomas Edison survived on only a few hours of sleep a night, claiming that by taking cat naps throughout the day he could easily survive on four or five hours of sleep a night and for a very special few getting four hours of sleep a night is actually enough.

We’ve previously spoken about using short naps throughout the day to ensure that you stay focused and many people find that they help. The trick is to set an alarm clock to ring in around twenty minutes - just enough time to fall asleep, but before the deeper REM sleep kicks in. By taking these short cat naps three or four times a day it is possible to reducing sleeping time at night to between five and six hours a night.

But what if some people are genetically predisposed to being able to survive on less sleep a night than others?

Research has shown that the hDEC2 gene might be behind some people’s ability to survive on only four hours of sleep a night. Typically people with a mutation is this gene these people are able to wake up refreshed and wide awake at after only a few hours of sleep around 4 am thanks to a shorter sleep cycle than other people. These special few claim that sleeping less every night helps them to get more work done, and some even hold down two jobs or highly successful careers.

The research lab has only a found a few correlations between this mutated gene and people who sleep less, but research is ongoing.

While it is possible to train your body to survive on less than the recommended seven hours of sleep a night, for most people this can have disastrous long term effects such as health problems such as cardiovascular risks and even some forms of cancer.

If you want to get the most out of your sleep at night, avoid:


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