7 Ways To Hack Your Internal Clock For Better Sleep

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If you're constantly resolving to shift your sleep cycle — to wake up earlier to exercise and get things done, or perhaps stay up later to finish your chores before bed — there's good news and bad news. The bad news is that being a night owl or an early bird appears to be, to a certain extent, genetic; research in 2017 revealed that people who stay up late habitually appear to have a gene mutation that isn't present in those who wake up happily at dawn. But the good news is that there are things you can do to shift your internal clock to help you change your habits, within reason.

Some options for hacking your internal clock are, alas, out of reach outside a lab. Japanese researchers in 2016, for instance, synthesized some new molecules to shift the circadian rhythms — the body's internal cycle of sleep and waking — of patients, but they're not on the public market. And unless you're suffering from serious jet lag, medication for sleep disturbances like melatonin is not medically advisable. However, if you want to make a difference to your sleep-wake cycle without needing to sign up for a scientific trial that fiddles with your molecules, you do have options.

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1Shift Your Mealtimes

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Science has repeatedly reinforced the importance of regulating mealtimes as a way of shifting the body's sleep-wake cycle. A study in 2016 found that shifting when you eat can be seriously helpful for adjusting to new time zones, particularly when you happen to have jet lag — but even if you haven't just got off a flight, the points at which you eat during a day can have big impacts on your circadian rhythm. The timing at which mice were fed during a 2017 experiment substantially affected when they slept and woke, so just trying to drop off to sleep earlier or later than usual won't do very much if you don't adjust your dinnertime accordingly.

2Hack Your Light Exposure

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Want to wake up earlier? Pull open the blinds and use natural light. Along with food, the human body appears to react to the rhythms of dawn and sunset to help regulate its sleep-wake cycle. Understanding how this works is still a matter of scientific research; a study in 2017 found that a kind of green algae reacts in particular to red and violet kinds of light to adjust its sleep cycle, while other research found that a substance produced by human eyes, vasopressin, appears to be one of the major ways in which the circadian rhythm is controlled, which might have something to do with light. An app called Entrain developed by university scientists might help you figure out how to adjust your light doses to your desired sleep schedule.

3Keep A Regular Sleep Schedule

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Sleep is the main ingredient in hacking your internal clock, and when it comes to changing it, scientists have one major piece of advice: keep it consistent. Regularity in your sleep schedule will help you adjust, regulates your metabolism (which has a role in circadian rhythms), and give you more of a chance of a decent rest. If you're changing your cycle, you have to commit to trying it every night, rather than giving up or trying to vary things gradually.

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4Change Your Potassium Intake

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This is an unusual one, but it might prove to be more important than you think. Research published in Nature in 2017 found that, unexpectedly, one of the major ways in which the body's internal circadian rhythms is regulated within cells is through the release of potassium. It's not known yet whether or not adjusting your levels of potassium consumption could have any tangible effect on how you sleep and wake, but it's worth keeping up your intake of bananas, sweet potatoes, and spinach just in case.

5Get Your Sleep Partners Involved

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Trying to adjust your circadian rhythms is tough at the best of the times, but research in early 2017 indicates that it's substantially tougher if your roommate or sleep partner isn't going along for the ride. If your girlfriend happens to be predisposed genetically towards being a night owl, she's likely going to be keeping you up; commitment to shifting towards other types of circadian rhythms requires everybody in the vicinity to try it at once. But if she finds it tougher than you (again, genetics), don't be surprised.

6Investigate Pulse Therapy

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Researchers at Stanford in 2015 investigated a fascinating new possibility for shifting biological rhythms: sharp, shorp pulses of light. Apparently, being subjected to an hour of 2-millisecond flashes of light every 30 seconds while in deep sleep won't wake you up, but it will make you wake up an hour earlier in the morning. At the moment, this light pulse therapy isn't available in easy mechanisms on the market, but it's worth keeping an eye open in case it happens to be an option soon.

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7Get A Light-Adjusting Alarm Clock

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The Withings Aura alarm clock is one of a range of alarm clocks on the market that attempt to use types of light to shift circadian rhythms in sleepers. It's a sleep-tracker that also uses colored LEDs — blue in the morning, red and orange in the evening — to simulate the kinds of light that occur naturally in the environment and induce sleeping and waking. The Lumie alarm clock does the same but without color, and it's worth testing whether they shift your sleep cycle to help your hacking.

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