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The break is where the work actually finishes

What rest does for muscles, focus and memory, and how to schedule it before your body schedules it for you.

The Practical Power of Pause, Rest, and Breaks
When Stop Means Go  ·  Vince Perryellis
DVFZ Training Consultancy Services, 2022  ·  9 chapters in 8 ideas

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WITH BREAKS STRAIGHT THROUGH OUTPUT ONE WORKING DAY → sleep · muscle rest · mental rest

01 The problem

You do not get to skip the rest, only to schedule it badly

In 1963 two high school students set out to find what sleepless nights actually cost. Randy Gardner stayed awake while Bruce McAllister monitored him, later joined by their friend Joe Marciano and by William Dement, a Stanford researcher who heard what they were doing. The standing record was just over ten days, so they aimed for eleven.

Randy made it. He still played basketball during the day, but as the days wore on his ability to think clearly and to perceive his surroundings came apart. Fourteen hours of sleep at a naval hospital brought him back.

The twist is in the brainwave data. Randy had been napping the whole time. Different parts of his brain took turns shutting down while the rest kept working, which is exactly what the loss of thinking and sensing was. The rest was never skipped. It was taken in pieces, at the worst possible moments, without his permission.

The book puts the same point in sport. Michael Jordan and Kobe Bryant both trained under Tim Grover. Bryant wanted what Jordan had and never got there, and Grover's account is that Jordan knew when to stop while Bryant just kept going.

ABILITY TO THINK CLEARLY BRAIN NAPPING IN SHIFTS BASELINE 14 h sleep LEVEL DAY 1 DAY 11 THE REST WAS TAKEN IN SHIFTS, NOT SKIPPED what you do not schedule, your brain schedules
Eleven days without sleep did not remove the sleep. It broke it into fragments the brain took while he was awake, and the cost showed up as lost thinking.

02 The map  ·  what rest is

Rest is not one thing, so match it to what you spent

The book sorts rest into two broad categories, with sleep sitting in both. Get the category wrong and the break will not repay what the work took.

Physical rest comes in two opposite forms. Passive physical rest is what your muscles need after lifting or training: exercise causes small amounts of damage, and the body can only make the adjustments that turn that damage into strength while it is not being stressed. Active physical rest is the opposite move, and it is what a desk day needs. Sitting for long stretches restricts blood flow, lowers mood and, over years, raises the risk of problems as large as diabetes and heart disease. Standing, walking and stretching for five minutes every hour pushes back on that.

Mental rest is a rest from focus and from deciding. As you hold a goal in mind and make one decision after another, focus, creativity and judgment all erode. The book's picture for this is a computer that has been running too long: it slows, it glitches, and what it needs is a reboot rather than more input.

Sleep does both jobs at once, which is why the book calls it the one form of rest nobody is exempt from. Adults generally need seven or eight hours in every twenty-four.

To pause means "to stop temporarily" or "to linger for a time."Merriam-Webster, quoted in Chapter 1
Do this now

Before your next break, name what you actually spent. If you have been sitting, stand up and walk for five minutes. If you have been lifting or training, sit down and let the muscle heal instead.

WHAT YOU SPENT WHAT REPAYS IT MUSCLE WORK SITTING STILL FOCUS, DECIDING PASSIVE PHYSICAL REST ACTIVE PHYSICAL REST MENTAL REST lifting, training, labour a long day at a desk one choice after another stop, and let it heal stand, walk, stretch stop deciding for a while damage blood flow attention repays both columns SLEEP seven or eight hours in every twenty-four physical and mental at the same time, for everyone A BREAK IN THE WRONG CATEGORY PAYS NOTHING BACK
Three kinds of exertion, three different repayments. Sleep is the only one that settles both columns, which is why the book treats it as non-optional.

03 Mental cost  ·  deciding

Focus runs down, and when it does you stop deciding

A study of an Israeli parole board followed judges through their working days. At the start of a session they granted a favourable ruling about sixty-five percent of the time. As the rulings piled up, that figure fell toward zero. After a break it snapped straight back to sixty-five percent, then fell again.

Nothing about the cases changed. What changed was the judge. Willpower and the mental resources used to think a situation through get spent, and a depleted mind simplifies by upholding whatever is already true. Early in the day the judge asks why this person is in prison and how they have behaved. Late in the day the same judge assumes there must be a good reason and leaves them there.

This is not a courtroom problem. Any job that asks you to think critically and decide runs the same curve, and the people who skip breaks hardest are usually the ones whose mistakes cost most. Nurses working twelve-hour shifts are entitled to three fifteen-minute breaks and a longer meal period, and they routinely go without because the unit is short-staffed and patients come first. Tired nurses make more errors, which is the outcome the skipped break was meant to prevent.

On average, over a two-week period, every nurse had missed at least two meals and 10 of their 15-minute breaks.Vanessa Patricelli, 2016, cited in Chapter 2
Do this now

Take the break you were going to skip. The book's reasoning is that skipping it will hurt your performance anyway, so you may as well walk away from the task for a bit and do it well when you come back.

65% 0 BREAK BREAK A BREAK PUTS IT BACK AT 65% CHANCE OF A FAVOURABLE RULING DECISIONS ACCUMULATE, THEN YOU DEFAULT TO NO the cases did not change; the judge did
Three sessions, three identical slides. The reset is not willpower returning on its own, it is what a break does to a depleted mind.

04 Mental gain  ·  the idle brain

The answer arrives when you stop looking for it

You have probably solved a problem while doing something else entirely. That is not luck. An unfinished problem stays near the front of your mind whether you want it there or not, a pattern known as the Zeigarnik effect, and it is distracting while you are trying to focus. Let the focus go and the same problem gets looked at from angles focus could not reach.

Scientists assumed an unfocused brain was an idle one until they found the default mode network. This set of connections runs when the brain is at rest and slows to a halt the moment you concentrate. It uses roughly twenty times the energy that the focused parts of your brain use, which is a strong hint that it is doing something worth doing. What that something is remains imperfectly understood, but it appears to synchronise the rest of the brain so that clear thinking is available when you come back.

Writers have always known the practical version. Charles Dickens and William Wordsworth walked long distances. The novelist Susan Froetschel walks three miles a day, through winter, gathering description and letting storylines assemble themselves. A casual walk demands nothing of your attention, which is exactly why it works.

Do this now

Next time you are stuck, leave the desk and walk with no destination for ten minutes. Do not take the problem with you. That restriction is the whole technique.

FOCUSED UNFOCUSED you push at the problem the mind wanders DMN HALTED DMN RUNNING no new connections connections form STOP LOOKING COME BACK WITH THE ANSWER it uses about 20 times the energy focus does ZEIGARNIK: THE UNFINISHED PROBLEM STAYS PARKED
The same network cannot run while you concentrate. Stopping is not a gap in the work, it is the only condition under which this part of the work happens.

05 Physical  ·  repair

Muscles get stronger in the gap, not in the effort

Training does two things to a muscle. Mechanical stress damages the proteins in the fibres, which is the soreness. Metabolic stress burns through the glycogen the muscle runs on, and once that is gone the muscle starts consuming the protein it was meant to be repairing itself with. The repair, refuel and rebuild is what actually makes you stronger. It only happens while you are not training.

Ohio State University watched what happens when that gap is too small. They measured how much oxygen the back muscles of heavy-lifting workers demanded across a shift. Demand climbed all morning, dropped back to baseline during a half-hour break, then shot up again on return and peaked at the end of the day, which is when these injuries happen. The movement data showed why. When a tired muscle began to ache, workers tensed up and recruited fresher muscles to carry the same load, and the tensing constricted blood flow, which starved the aching muscle of the oxygen it needed. The half-hour was simply not long enough.

The study concluded that heavy users of their muscles need longer breaks, or failing that, more frequent ones.

The same finding turns up in young pitchers. Surgeons measured fifteen players before and after throwing to exhaustion: tendon thickness dropped immediately, and by the end of a three-day rest it had returned to where it started.

While "pain is gain" might sound like a good slogan, it should actually be "pain is a warning that you have done a bit of damage."The Practical Power of Pause, Chapter 6
Do this now

Book one full day away from demanding physical work every seven to ten days, and split the week by muscle group. The book's own example: run Monday and Thursday, pushups Tuesday and Friday, weights Wednesday and Saturday, nothing on Sunday.

BASELINE HALF-HOUR BREAK END OF DAY: HIGHEST RISK OXYGEN ONE WORKING DAY → MUSCLE TIRES YOU TENSE AND SWITCH BLOOD FLOW RESTRICTED it starts to ache fresher muscles take the load less oxygen reaches the ache ache constriction more fatigue the break was not long enough to break the loop
Demand returns to baseline during the break and then overshoots, because tensing to protect a sore muscle is what cuts off its oxygen supply.

06 The rhythm  ·  how to pause

Fifty-two on, seventeen off, with a note to yourself in between

Are you aware of the feeling of your clothes on your skin right now? You were not, until the question. Your brain pays very little attention to a stimulus that does not change, and a goal you have been holding all morning is a stimulus that does not change. That is why it gets harder to focus on the longer you focus on it.

The research the book cites puts the most productive workers on a cycle of fifty-two minutes of work followed by a seventeen-minute break. Fifty-two minutes is roughly how long a goal stays vivid; rebooting your focus there gives you the most usable time. Knowing a break is coming also helps you push through the block before it.

The handover matters more than the numbers. Set two reminders, one a few minutes before the break and one at it. The first is your signal to reach a stopping point, finish the sentence or the slide, and leave yourself a short note about what comes next. That note is what lets you actually put the work down, because you are no longer holding it in your head. When you sit back down you read the note instead of hunting for your train of thought.

Spend at least five of those seventeen minutes moving. The rest is yours: a drink, a walk, a chat with a colleague, or nothing at all. Just do not spend it thinking about work.

Do this now

Set two alarms for your next break, five minutes apart. When the first goes off, finish the sentence you are on and write one line about what you will do when you return. Then leave.

52 MINUTES OF FOCUS WIND-DOWN 17 MINUTES OFF READ THE NOTE NOTE TO SELF RESUME 5-min warning step away, no work come back resume here 52 / 17 the cycle, not the grind a goal you never put down stops being visible
The note is the hinge. Without it the work stays in your head through the break, and the break stops counting as one.

07 Boundaries  ·  the digital day

Technology moved the edges of work, so you have to place them yourself

Mingchao Dong and colleagues surveyed employees at Chinese internet companies about their after-hours work connectivity, and their team leaders about workaholism. More after-hours connectivity meant more psychological distress, and part of that ran through work-family conflict, because the hours being claimed were the ones the employee wanted for home. Where the leader was more workaholic, that link weakened, since those leaders gave people better resources for working from home.

There are two clean theories and neither survives contact with a real life. Separation means refusing work outside hours and refusing home inside them. Integration means engaging with everything all the time, which lets you be present everywhere and fully anywhere. Most people end up mixing the two, and which mix is available depends on things they do not always control.

The phone cuts both ways. Music, podcasts, a puzzle game or a message to a friend are all real breaks. Scrolling a feed is often not: it invites comparison against a version of other people's lives that has been selected for you, and it is built to keep you there. When social media stops being fun or useful, that is the point to take a break from your break.

Their level of boundary control, cross-role interruption behaviors, how they synthesize work-life identities, their technological dependence, and need for time to self.Kossek, 2016, cited in Chapter 5
Do this now

Read what your employer actually says about breaks, off days and flexibility; the book makes this the first practical step. Then tell one colleague you are taking your breaks, and ask them not to raise work during them.

felt boundary control cross-role interruptions how you see your roles dependence on your tech need for time to yourself YOUR ACTUAL ROOM TO MOVE you land here SEPARATION INTEGRATION work stays at work everything, all the time NEITHER PURE END IS LIVABLE FOR LONG know which parts of the line you control
Where you can sit on this line is set by five things at once, and only some of them are yours. Knowing which ones is what makes a boundary hold.

08 The bill  ·  what skipping costs

The hours you take back from sleep are borrowed, not saved

The strongest reason people skip rest is the belief that time not spent working is time lost. Marco Hafner and colleagues priced that belief. The CDC treats insufficient sleep as a public health problem, since a third of American adults do not get enough of it, and the ratio keeps climbing alongside the always-on lifestyle.

The numbers fall into bands. People sleeping under six hours a night carry a thirteen percent higher mortality rate than those getting seven to nine; between six and seven hours it is seven percent. On productivity, the under-six group loses an extra 2.4 percent of productive time and the six-to-seven group 1.5 percent. Across a 250-day working year, 2.4 percent is six full days gone from one person.

Scale that up and the United States loses 1,234,864 days of productive labour a year, with Japan second at 604,191. Across five countries studied, the United States, the United Kingdom, Germany, Japan and Canada, the annual loss came to 680 billion dollars. The United States would have had 2.40 percent more GDP in 2020 if its population slept enough, rising to 2.59 percent by 2030.

Your own invoice arrives in smaller print: constant soreness, getting sick more often, dreading the day before it starts, careless mistakes, avoiding people you actually like. Those are the warning signs the book asks you to read as a bill, not as weakness.

Do this now

Write tomorrow's to-do list before bed. The book's reasoning is simple: once it is on paper you are no longer holding it, and a mind that has stopped rehearsing the morning can shut down for the night.

MORTALITY ABOVE BASELINE PRODUCTIVE TIME LOST 13% 7% 0% 2.4% 1.5% UNDER 6 H 6 TO 7 H 7 TO 9 H HOURS OF SLEEP PER NIGHT 2.4% of a 250-day year is six working days, per person US: 1,234,864 DAYS LOST A YEAR $680 BILLION A YEAR ACROSS FIVE COUNTRIES
Both costs sit flat until sleep drops below seven hours, then step up twice. The threshold is the finding: there is no gentle slope to trade against.

09 The whole book

Three kinds of rest, and none of them are optional

Pausing is temporarily stopping an activity in order to rest. Which pause you need depends on what you have been spending, and the answer is almost never nothing at all. Everything in this book follows from matching the rest to the work.

None of it was given freely. People once worked from sunrise to sunset, then longer still as work moved off the farm, and the eight-hour day with two days off took more than a century of argument to settle. The book's point is that the argument is not finished, and that your share of it is deciding how your own week divides.

Physical

Rest the body you used

Stop training so the damage can repair, or stand up and move so the blood keeps flowing. One full day off every seven to ten days.

Mental

Reboot the focus

Decisions deplete, and a depleted mind defaults. Fifty-two on, seventeen off, and let the default mode network do the part focus cannot.

Sleep

Seven hours, no exceptions

It is the only rest that settles both accounts. Below seven hours the costs step up, in health and in the days you were trying to save.

Stopping is not the opposite of the work. It is the part of the work that happens while you are not looking.

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Adapted from The Practical Power of Pause, Rest, and Breaks: When Stop Means Go
Vince Perryellis  ·  © 2022 DVFZ Training Consultancy Services  ·  41 cited sources in the source edition