On a typical seven-to-eight-hour sleep schedule, known as monophasic, most people will spend one-third of their lives in bed.
But by switching to polyphasic sleep — like Russia-based project manager Eugene Dubovoy did — you could gain back decades of time with your eyes open.
He and his team hoped to create an app, named Smart Sleep, that could help others make the switch. Unfortunately, they didn't acquire the money needed from Kickstarter.
But we can still learn from the app. Let these charts teach you how to sleep less.
Please note that doctors as well as practitioners we've interviewed say to proceed with caution when trying a new sleep schedule, especially if you have health problems. We also don't know enough about sleep and its benefits to say that sleeping less won't have negative health effects.
If you want to experiment with polyphasic sleep schedules, we recommend not driving, operating heavy machinery, or making any important decisions until you determine how fewer hours of sleep affect you personally.
Step One: Consistent Sleep
Initially, you simply need to make your sleep schedule regular. For example, start going to bed at 12:30 a.m. and waking up at exactly 8:00 a.m. every day. Eventually, your body will recognize the plan.
"This increases the quality of your sleep. You can wake up very quickly and without any alarm clocks or stimulants," Dubovoy said.
Step Two: Biphasic Sleep
Next, you need to switch to biphasic sleep (two sleep periods) without changing the amount of sleep you get. You'll need to sleep in two cycles with a 1.5 hour break in the middle. But make sure you use your mid-night awake-time productively.
"I used to read books or study or do something that I didn't manage to do during the day," Dubovoy explained. "The point is that you should know what you need to do during those couple hours between sleep. You should do something that will switch your brain on."
Since he didn't lose any sleep, Dubovoy didn't experience any negative side effects. He completed this step in about a week. Recent research actually suggests that everyone used to sleep in two segments until the invention of electricity. Step Three: Slowly Decrease Sleep Time During The Night
Then, you'll make the jump from biphasic sleep to polyphasic by adding more sleep periods — the "tricky part," as Dubovoy admitted. Start decreasing the time you spend in bed at night just slightly in exchange for a nap during the day.
"When you aren't used to sleeping in the daytime and falling asleep quickly, it's really hard. I started to feel the effects of sleep deprivation. But eventually, your body knows when it's nap-time," Dubovoy said.
As the chart below shows, cut off half-an-hour from your second nighttime sleep period and take a half-an-hour nap around 6 p.m. instead.
Step Four: Polyphasic Sleep With Optimal Decrease In Sleep Time
After you switch to polyphasic sleep, you should start decreasing your nighttime hours even more and add a couple naps during the day.
The most attainable of all polyphasic sleep schedules, shown below, is called the Everyman. You experience a "core" night sleep from 12:30 a.m. to 4 a.m. and three 20 minute naps at 5:40 a.m., 1:00 p.m. and 6:00 p.m, which total 4.5 hours.
How It Works
Normal sleep involves four cycles of around 90 minutes total of non-rapid eye movement. A brief period of rapid eye movement (REM) sleep, when we dream, follows. We end up staying in bed for up to eight hours a night to fit in all this sleep.
Dubovoy claims that early in the night, slow-wave sleep (stages three and four) occurs for the longest period, while in the morning, REM sleep takes over more of the cycle. Therefore, on a polyphasic schedule, you'll receive slow-wave restoration during a "core" night sleep of only 3.5 hours. This tricks your body into immediately entering REM during daytime naps to make up for the loss of the last sleep cycles during the night.
"That's the idea behind polyphasic sleep — we still get our normal portion of short-wave sleep and REM sleep. You just get rid of these intermediate stages in the morning. In fact, we do not need them," Dubovoy suggests.
To clarify, the idea that we don't need these sleep stages is purely theoretical. "I probably have a more cynical view than most, but I don't think that we know what part of sleep is the most restful," said Matt Bianchi, director of the sleep division at Massachusetts General Hospital. Most likely, different phases of sleep have different restorative effects.
The top timeline depicts a regular, monophasic sleep pattern, with the grey as non-REM sleep. Dubovoy and other polyphasic proponents claim we don't need certain potions.
The bottom timeline shows a polyphasic "core" night sleep, minus those stages deemed "unnecessary."
Dubovoy has slept on this schedule for over two years. And he has no plans to stop.
"The biggest benefit is that I have about two months of extra time each year. Time is the most valuable resource in our lives," he said.
As the chart below shows, the extra time accumulates. In only six years, you'll have stayed awake for another whole year.
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