Gilles Crofils

Gilles Crofils

Hands-On Chief Technology Officer

Tech leader who transforms ambitious ideas into sustainable businesses. Successfully led digital transformations for global companies while building ventures that prioritize human connection over pure tech.1974 Birth.
1984 Delved into coding.
1999 Failed my First Startup in Science Popularization.
2010 Co-founded an IT Services Company in Paris/Beijing.
2017 Led a Transformation Plan for SwitchUp in Berlin.
November 2025 Launched Nook.coach. Where conversations shape healthier habits

Abstract:

The article argues that remote work didn’t just remove obvious movement like commuting—it quietly erased the tiny, forced stand-ups that used to punctuate the day, such as waiting at printers, elevators, coffee machines, or reception, and it names these lost 10–180 second gaps “idle upright minutes.” At home, those same waits still happen (loading bars, “joining in 1 min” meeting buffers, kettle/microwave timers, VPN reconnects), but they’re private and frictionless, so they get instantly absorbed by sitting, Slack refreshes, and phone checking, leaving the body feeling “compressed” and stiff by evening. Rather than pitching standing as a fat-loss or productivity hack, the piece makes a modest, evidence-aware case that frequent posture changes and microbreaks can reduce discomfort even if standing isn’t metabolically dramatic and walking is stronger for physiology; the practical advantage is that waiting moments don’t require willpower, scheduling, or guilt. The core recommendation is a simple default that survives busy weeks—“If you are waiting, you are upright”—supported by small “proximity design” cues like creating a tiny no-chair wait zone and keeping the phone off-limits unless standing, plus a basic 7-day experiment (pick one recurring wait and stand every time) with guardrails that acknowledge risks of prolonged standing and special considerations for conditions like orthostatic intolerance/POTS and ME/CFS. Overall, it reframes the goal as restoring effortless “day punctuation” through repeatable micro-waits, not adding another self-improvement project.

Something got quietly deleted when work moved onto screens. Not a big habit like the commute walk or the stairs. Smaller than that. More annoying, because you barely notice it until your hips feel like they aged 10 years by 6pm.

It’s the tiny waits that used to make you stand up without thinking. The printer moment. The coffee machine moment. The elevator moment. Those 10 to 180 seconds where you were upright because the world required it, not because you had motivation, a timer, or a perfect plan. Remote work didn’t remove waiting. It just made it private, silent, and very easy to fill with “just a quick check” while staying in the chair.

This article calls that missing layer idle upright minutes and makes a modest case for why they mattered. Not as a fat-loss trick, not as a “standing fixes everything” story, but as day punctuation that breaks long sitting blocks with almost zero effort.

What this covers

  • the single default: if you are waiting, you are upright
  • how to make it camera-safe during meetings
  • a small 7-day test, plus basic guardrails (because standing helps, but it isn’t magic)

If the day already feels compressed, this is more of a relief idea. Less “do more.” More “put back the tiny gaps that used to be there.”

Idle upright minutes

The tiny waits that used to move you

Something small disappeared with remote work. It’s almost invisible until it’s named.

Idle upright minutes are those 10 to 180 seconds spent upright while waiting for something to finish. Not exercising. Not “taking a break.” Just standing because the world made you stand.

Typical examples

  • waiting for a room to clear
  • standing at reception
  • elevator time
  • coffee machine brewing
  • microwave running
  • joining a call 1 minute early
  • watching an export bar crawl to 100%

Why these 30 seconds mattered more than they should

These micro-waits used to interrupt long sitting bouts without motivation. They happened because the environment forced a posture change.

Think of it as punctuation in the day. Without it, everything becomes one long sentence.

Research on prolonged sitting suggests that even short interruptions can help (Chastin et al., 2015). The simple mechanism is: even 30 seconds changes joint angles, unloads the same tissues, and gives your body a different shape for a moment.

A modest claim that stays true on busy weeks

This is not a fat-loss hack. Standing burns only a little more energy than sitting on average (Saeidifard et al., 2018). And standing is not guaranteed to make the brain sharper either. Reviews tend to find small or neutral effects overall (Commissaris et al., 2016).

The believable promise is boring: more posture changes, a bit more variability, and for many people a bit less end-of-day stiffness. Small doses that survive chaos.

Waiting time got absorbed by the screen

The remote substitution

A progress bar creeps forward. The room is quiet. The chair is right there.

In an office, waiting had friction and a social container. You were already standing because you were at the printer, reception, hallway, coffee machine. At home, waiting is private and silent, and remote work can blur boundaries so the day becomes one continuous thread (Allen, Golden & Shockley, 2015). One practical implication: when the “work zone” is also the “waiting zone,” it becomes easier to stay seated through everything.

Then there’s how quickly phones fill empty moments. A lot of smartphone use happens in short bursts, not long planned blocks (Oulasvirta et al., 2012), and checking is often triggered by waiting, boredom, and transitions (Hiniker et al., 2016). Plain version: the micro-wait still exists, but it gets filled so fast it barely registers—and your body never has to stand up.

No villain here. Someone can ship work, sit through meetings, answer fast, and still end the day feeling weirdly “compressed” in the body. When small breaks disappear, load accumulates and recovery windows shrink.

Why waiting beats willpower breaks

Waiting was physically noisy

“Take a break” advice fails in real calendars because it asks for intent, and intent is expensive at 17:47.

Waiting used to be physically noisy. Feet shifting. Ankles moving. Hips changing position. Nothing heroic, just micro-variation. Postural variability is linked with less discomfort in desk work (Vergara & Page, 2002). Ergonomics keeps repeating the same boring principle: variation protects better than “perfect posture” (Srinivasan & Mathiassen, 2012).

Waiting also isn’t a “break.” A break implies choosing it, sometimes justifying it. Waiting is already allowed. Nobody feels guilty for standing while the printer is thinking.

Studies on short breaks at desks often show reduced discomfort and fatigue without big interruptions (Galinsky et al., 2000). The usable takeaway is not “schedule better breaks,” it’s “use the breaks that already happen.”

A small honesty note about evidence

It’s easy to oversell standing. The strongest metabolic results in sitting-interruption trials usually come from breaking sitting with light walking, not just standing still (Dunstan et al., 2012).

Standing is still useful because it reliably changes posture and often helps with that end-of-day “compressed” feeling. Practical takeaway: alternation is the win, and walking is the heavier tool when physiology is the goal.

Remote waiting became work lite

Why the body stays braced

In a line, you can’t really do “real work.” At home, there is always a bit you can do, so the wait becomes a Slack refresh, a quick reply, a doc tweak. The nervous system stays in task mode, and the posture stays locked.

Interruptions tend to raise stress and the feeling of time pressure (Mark, Gudith & Klocke, 2008), and even a tiny message can leave attention residue (Leroy, 2009). Concrete implication: “just checking” isn’t neutral—your body stays braced because the brain never fully exits task mode.

Also, sitting is not evil. Sometimes it is just the stable platform precision work needs. The point is not standing ideology. It’s noticing that “just enough work” makes the body hold.

A useful default is flexible

  • stand for low-stakes waiting and passive moments
  • sit when the work is delicate, when speaking intensely, or when fatigue says “not now”

Research comparing sitting and standing for office cognition tends to find small or neutral differences overall (Commissaris et al., 2016). Meeting compression doesn’t help either. Microsoft’s Work Trend Index (2021–2022) described more back-to-back meetings and shrinking buffer time. It’s not personality, it’s calendar physics.

3 remote wait traps

These waits matter because they are bounded, and they repeat all day without asking for motivation.

Loading waits that quietly turn into scrolling

  • app launch and login
  • build, tests
  • export and render bars
  • upload and sync
  • “joining in 1 minute” meeting buffer
  • camera and audio setup
  • restarting after an update
  • switching accounts or VPN reconnect

Common failure mode: the chair wins, and the phone fills the gap with fragmented checking (Oulasvirta et al., 2012).

It can help to treat this as proximity design, not discipline, because even a silent phone nearby can drain attention (Ward et al., 2017). Practical implication: change what’s within arm’s reach during waits, not what you “promise” yourself.

Kitchen waits and calendar seams

The same theft happens in the 2-minute seam between calls, and it also happens in the kitchen. Kettle starts, microwave hums, and somehow the body is back in the chair “just for 30 seconds” with a phone. No drama, just boundary bleed (Allen, Golden & Shockley, 2015). Waiting is a known checking trigger (Hiniker et al., 2016).

Calendar seams are the other trap. With back-to-back calls, the buffer gets used for fast replies because it feels responsible.

You stand up to fill the kettle, see “2 minutes” before the next call, and sit back down “just to reply.” Ten minutes later you realize you never stood again—because the seam got converted into work.

Printerless admin waits

Office life had forced standing because certain things lived elsewhere: printer, badge reader, meeting room, reception desk. Remote work removes the geography, so “admin” becomes one more seated tab.

  • grabbing a 2FA code
  • copying details from one system to another
  • opening yet another portal
  • filing expenses
  • renaming and moving downloads
  • adding attendees and links
  • tiny follow-ups that “take 20 seconds”

These are short, bounded, and repeatable—the perfect place for an automatic upright default, because they rarely require the chair for precision.

The one default that survives deadlines

If you are waiting you are upright

This is a default for micro-waits that already exist. It survives because it doesn’t need scheduling or self-control.

If you are waiting, you are upright.

Near the desk is fine. No shoes. No walk around the block. No outfit change. The point is simply to interrupt long sitting more often (Dempsey et al., 2016). Microbreak research tends to support small doses that reduce fatigue and discomfort (Kim, Park & Niu, 2017).

Mapping helps because it removes the decision

  • kettle on, stay standing until it clicks
  • microwave on, stand and breathe, nothing heroic
  • meeting opens, stand until the first real sentence
  • “joining in 1 min,” stand while audio connects
  • export running, stand until 100%
  • build/tests running, stand and shift weight
  • file uploading, stand and look away from the screen
  • VPN reconnect, stand and do 5 slow ankle moves

Small caution: the goal is not long motionless standing. It’s variation (Srinivasan & Mathiassen, 2012). Prolonged standing has its own downsides (Tüchsen et al., 2005).

Camera safe waiting

Camera-safe means visually boring. Standing like someone still in the meeting, not stretching like an ad.

A workable pattern

  • stand during the pre-meeting minute and first listening minute
  • sit for the hard part, the precise notes, the intense speaking

Also, moving the phone away helps. Even silent phone presence can reduce available attention (Ward et al., 2017). Yes it can feel awkward at first. Normal.

Home cues that bring waiting back

A small “no-chair wait zone” in the kitchen or near a window can flip the default. A place where standing feels normal and sitting feels slightly inconvenient.

Phone proximity is the real thief during waits. Two non-moralizing options tend to work better than a hard ban

  • phone stays on the counter during kettle and microwave waits
  • phone is allowed only if standing

Some days will still be chaos. Tuesday will do Tuesday things. Missing a wait is not a failure. I treat it like logging: one upright wait is a datapoint, not a virtue test. The effect comes from small, repeatable microbreaks across the week, not perfect compliance on one day (Kim, Park & Niu, 2017).

A 7-day test

Signals that it is working

First pass is just comfort signals, not “goals.” Microbreak studies often show less discomfort with short pauses (Galinsky et al., 2000).

  • fewer rusty first steps after a long call
  • less low-back or hip stiffness at end of day
  • less need for a long walk to “unlock” at 19:00
  • smoother downshift because the day had clearer breaks
  • fewer moments of upper-back tightness building quietly

Quick recalibration: standing-only changes usually don’t move energy burn much (Saeidifard et al., 2018). Trials look stronger when breaks include light walking (Dunstan et al., 2012). The reasonable win is less of the statue-block feeling.

One rule for 7 days

1) Pick 1 recurring wait (kettle, microwave, “joining in 1 min,” export bar).
2) During that wait, no sitting. Phone only if standing.
3) Keep it for 7 days, then forget it or keep it.

If it collapses midweek, shrinking the dose usually beats quitting. Even 20 to 40 seconds upright still counts. The success metric is that it reappears.

Guardrails

For most people this is trivial. But a few conditions make upright time non-trivial, so it’s worth being explicit about red flags before anyone turns “stand more” into a stubborn project.

Safety wins over streaks. Stop if there is

  • dizziness or near-fainting
  • sharp new pain
  • new swelling in legs or feet
  • chest pain or pressure
  • severe palpitations
  • unusual breathlessness
  • new weakness, numbness, or confusion

For people with orthostatic intolerance or POTS-style symptoms, supported upright time is discussed in consensus guidance (HRS, 2015). ME/CFS changes the rules again because upright time can be exertion with delayed worsening. NICE NG206 (2021) is explicit that graded exercise therapy should not be offered, and activity management should be individualized and symptom-limited.

Remote work didn’t make anyone “lazy.” It just removed the tiny forced stand-ups that used to break the day into readable chunks. Idle upright minutes were never a workout, and they’re not a magic fix. They’re a small layer of posture change that used to happen for free.

If waiting still exists, it can be used again, instead of being quietly swallowed by scrolling and Slack refresh. Not more effort—just a better default. And with guardrails, because long static standing isn’t the goal either.

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25 Years in IT: A Journey of Expertise

2025-

Nook
(Lisbon/Remote)

Product Lead
Building the future of health coaching. Leading product development and go-to-market strategy for a platform that makes personal wellness accessible through natural dialogue.
Making health coaching feel like talking to a friend who actually gets you.

2024-

My Own Adventures
(Lisbon/Remote)

AI Enthusiast & Explorer
As Head of My Own Adventures, I’ve delved into AI, not just as a hobby but as a full-blown quest. I’ve led ambitious personal projects, challenged the frontiers of my own curiosity, and explored the vast realms of machine learning. No deadlines or stress—just the occasional existential crisis about AI taking over the world.

2017 - 2023

SwitchUp
(Berlin/Remote)

Hands-On Chief Technology Officer
For this rapidly growing startup, established in 2014 and focused on developing a smart assistant for managing energy subscription plans, I led a transformative initiative to shift from a monolithic Rails application to a scalable, high-load architecture based on microservices.
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2010 - 2017

Second Bureau
(Beijing/Paris)

CTO / Managing Director Asia
I played a pivotal role as a CTO and Managing director of this IT Services company, where we specialized in assisting local, state-owned, and international companies in crafting and implementing their digital marketing strategies. I hired and managed a team of 17 engineers.
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SwitchUp Logo

SwitchUp
SwitchUp is dedicated to creating a smart assistant designed to oversee customer energy contracts, consistently searching the market for better offers.

In 2017, I joined the company to lead a transformation plan towards a scalable solution. Since then, the company has grown to manage 200,000 regular customers, with the capacity to optimize up to 30,000 plans each month.Role:
In my role as Hands-On CTO, I:
- Architected a future-proof microservices-based solution.
- Developed and championed a multi-year roadmap for tech development.
- Built and managed a high-performing engineering team.
- Contributed directly to maintaining and evolving the legacy system for optimal performance.
Challenges:
Balancing short-term needs with long-term vision was crucial for this rapidly scaling business. Resource constraints demanded strategic prioritization. Addressing urgent requirements like launching new collaborations quickly could compromise long-term architectural stability and scalability, potentially hindering future integration and codebase sustainability.
Technologies:
Proficient in Ruby (versions 2 and 3), Ruby on Rails (versions 4 to 7), AWS, Heroku, Redis, Tailwind CSS, JWT, and implementing microservices architectures.

Arik Meyer's Endorsement of Gilles Crofils
Second Bureau Logo

Second Bureau
Second Bureau was a French company that I founded with a partner experienced in the e-retail.
Rooted in agile methods, we assisted our clients in making or optimizing their internet presence - e-commerce, m-commerce and social marketing. Our multicultural teams located in Beijing and Paris supported French companies in their ventures into the Chinese market

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Please be aware that the articles published on this blog are created using artificial intelligence technologies, specifically OpenAI, Gemini and MistralAI, and are meant purely for experimental purposes.These articles do not represent my personal opinions, beliefs, or viewpoints, nor do they reflect the perspectives of any individuals involved in the creation or management of this blog.

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