Why Calling Rest a Biohack Gets It Backward

Calling rest a “biohack” shows how far wellness culture has drifted from basic biology. Rest isn’t something you add. It’s the natural state of a human nervous system that isn’t being actively disrupted. The “hack” isn’t adding something that produces rest. It’s removing whatever is blocking rest from happening on its own.

This reframing matters because the add-something approach to rest — buy the supplement, use the device, follow the protocol — keeps you in an active, optimizing relationship with rest, which is the opposite of what rest actually requires. Rest isn’t something you do. It’s something you allow.

The evidence for the take-something-away approach is scattered across separate research that rarely gets connected. Light exposure after sunset suppresses melatonin production, delaying when you fall asleep and lowering sleep quality ^[1]. Eating late at night disrupts the body-temperature regulation that supports deep sleep ^[2]. Drinking alcohol before bed fragments your sleep, reducing deep and REM sleep ^[3]. Mentally demanding activity in the hour before bed raises cortisol, which directly works against your body’s ability to fall asleep . Each of these is something blocking rest, not a missing ingredient. Remove the blocker, and rest comes back on its own.

The most common pushback is that some people genuinely need help sleeping, and supplements or devices provide that. That’s true for certain groups — people with chronic insomnia, shift workers, people with specific medical conditions. For them, melatonin, magnesium, or even prescription sleep aids are reasonable tools. But someone who falls asleep easily on vacation and struggles at home doesn’t have a sleep disorder. They have an environment that’s blocking rest.

The data on sleep disruption backs this up. Room light before bedtime suppresses melatonin by about 50% compared to dim light ^[1]. Even moderate alcohol before bed measurably cuts into your restorative sleep stages ^[3]. Using a phone or tablet in bed delays falling asleep by an average of 30 minutes per hour of use . Add it all up, and the typical evening routine — bright lights, snacks, alcohol, screens — creates a physical state that’s simply incompatible with the rest people are trying to get through supplements.

Here’s the uncomfortable part for people who like protocols: the most effective fix is stopping things, not adding them. Stop using screens 90 minutes before bed. Stop eating within three hours of bedtime. Stop drinking alcohol within four hours of sleep. Stop working or consuming emotionally demanding content within two hours of sleep. Each of these removes a barrier — none of them adds a new tool.

The “take away” approach is harder to sell than the “add on” approach, because it takes discipline that no one can see. Buying a supplement feels like progress. Turning off the TV early feels like giving something up. But the biology here is clear: if your evening environment is set up to block rest, the most effective fix is changing that environment. No supplement can overcome a brightly lit room, a full stomach, and a busy mind.

A useful test: if you slept well on your last vacation without any supplements or devices, the problem isn’t your ability to rest. It’s your home environment. Try recreating vacation conditions — darkness, a cool room, a meal that ended hours ago, no screens — and see if rest comes back. If it does, you don’t need a protocol. You need to clear away the obstacles.

Disclaimer: This post is for inspiration and education, not medical advice. Everyone’s body is different, so please check with your doctor before changing your diet, exercise, or lifestyle routine. By using these tips, you agree to do so at your own risk.

References

^[1] Gooley JJ, et al. Exposure to room light before bedtime suppresses melatonin onset and shortens melatonin duration in humans. *Journal of Clinical Endocrinology & Metabolism*, 2011. DOI: https://doi.org/10.1210/jc.2010-2098

^[2] Crispim CA, et al. The influence of sleep and sleep loss upon food intake and metabolism. *Sleep Science*, 2011. DOI: https://doi.org/10.1016/j.slsci.2011.10.001

^[3] Ebrahim IO, et al. Alcohol and sleep I: effects on normal sleep. *Alcoholism: Clinical and Experimental Research*, 2013. DOI: https://doi.org/10.1111/acer.12006

^[4] Chang AM, et al. Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness. *Proceedings of the National Academy of Sciences*, 2015. DOI: https://doi.org/10.1073/pnas.1418490112

Kurt Greiner

Kurt is a digital strategist and IT professional blending emerging technology with practical application to help businesses and individuals streamline their digital presence. His current work focuses on the intersection of intentional living and technological resilience, exploring how individuals can leverage modern tools to navigate the second half of life with purpose.