Eight weeks ago, my house was filled with the endless rumble of kitten and cat feet, squawks and squalls as they chased each other around the house and brawled over treats and toys. They all get along pretty well, but they play hard as fuck much like their two legged cluttermates and do so pretty much all day long. Or, so they did. Over the course of the last two months my cats have gotten downright lazy, and they’re looking at me like I’m a maniac for rushing around and getting shit done when it is clearly time for a day-long siesta, every day, in their awesome little yellow-green eyes. And lest you think I am insane for following the lead of my cats when it comes to pushing weights (cats are not well known for their lifting skills), I am not- it’s everyone else who ignores the events of the natural world to their peril who is the fucking jackass.

Humans, like every other animal on the planet, have their moods, behavior, diet, and activity levels dictated to them by the seasons, and the seasons don’t give a fuck what your programming says. Nor am I talking about seasonal affective disorder, the “affliction” most people use to excuse shitty behavior rather than simply trying harder to be nice- I am referring to the rhythmic clock you have in your body that runs both on a daily and seasonal schedule. These biorhythms are what cause animals to hibernate in winter, nap in midafternoon, and basically dictate every animal’s daily schedule barring catastrophe or a stampede of rabbits through their yard, and they play a significant role in determining your energy levels as well.

I think it was in college that I first noticed the fact the time of year seemed to impact my interest in different styles of lifting, different exercise in general, the amount of rest I needed, the pace of my workouts, and even my appetite and my taste for certain foods, but beyond simply saying “ah, it’s that time of the year” when my workouts would drag in the winter, I did very little with the knowledge. I just knew that the winter was the time for coasting, and every single time I have bucked that trend I have either fucked myself up or just had a bunch of lackluster results that supported my original thesis.

Vikings knew that snow meant “sit your ass in a fucking chair and drink some hard cider.”

Science hasn’t quite nailed down all of he reasoning behind this, but when most people blabber on about Seasonal Affective Disorder, they’re actually whining about a natural event that is both misunderstood and battled rather than adapted to. In the winter, life slows down- it’s cold, the days are short, and the entire animal kingdom takes that time to chill the fuck out. All except for humanity, whose whims are dictated more by their insatiable greed than logical thinking or an appreciation for the state of the natural world, and who exacerbate the effects of the season in doing so.

I’ll interject here that it seems my impulse to write between December and March matches my impulse to spend many days a week in the gym, so I don’t think this phenomenon is restricted to the physical- it seems to be mental as well. Where I typically have a thoroughly fast turnover in interests and the desire to absorb versus relate information, I currently find myself periodically trapped in an either/or situation that makes putting the proverbial pen to paper nearly impossible. Compounding that fact is my general disdain for humanity in the current climate, which leaves me both humorless and dry in my writing, but it does frame my thesis nicely, and should one go back through my writing I would imagine this would be borne out historically as well.

No matter who you are or what your interests, you will find your physical and mental performance waxes and wanes with the seasons. It only makes sense- the entire year is a leadup to the fall harvest for every animal, followed by a long period of minimal activity during the winter months, followed by a return to activity in the spring. After a quick burst during the planting/rutting season (depending on your species), the summer is a period of steady activity, with a progressive increase through Autumn until the onset of winter. This isn’t some stupid fucking pseudoscientific explanation for why fat housewives feel drowsy in the afternoon- this is simply the natural ebb and flow of life.

The head hunter is grumpy that the sun is setting on hunting season. Or maybe he just has SAD. Or he’s sad because he knows he’s going to have SAD. Either way, it’s sad.

Because people love to have disorders that they can blame for their bad behavior, psychologists gave this phenomenon the term “Seasonal Affective Disorder,” giving carte blanche to Karens around the world who use that bullshit to excuse the fact that they’re an hour late and surly as shit to boot, rather than simply admitting they’re being a grumpy asshole because they fucking choose to. None of any of this shit is an excuse to be lazy or show your ass on social media- it’s not a fucking excuse to be an anti-masker, or for having skipped every goddamned science class in your life so that you ended up one of those tin hat-wearing fuckwit eunuchs, or for any other personal failing for which you’re attempting to excuse.

If you’re fat or stupid or unpleasant or ugly, it’s no one’s fucking fault but your own, barring some genetic defect or catastrophe.

You can’t blame your friends, the internet, your parents, or anyone else and be truly honest about the reason you fail to achieve your goals- if you didn’t reach them, you didn’t strive hard enough, no matter what the season. That said, if you take the natural ebb and flow of life into account when planning your goals, you drastically increase the likelihood of achieving them. It’s not like you’d set sail for a distant land without expecting the tides and the winds to affect your trip, and your biorhythms are no different.

Nor were your forefathers- if you look at the people basic motherfuckers love to yammer on about, like the Vikings and the Spartans, they only campaigned in the summer, and they holed up around a fire and said fuck a war in the winter. Summers and fall were about rowing and marching and fighting and planting and harvesting, and winters were about survival and staving off boredom. All of humanity is like that, as are most of the animals in the animal kingdom- it’s just how shit works, no matter your personal feelings on the subject.

The Science

Seasonal changes in climate, temperature, and duration of daylight, particularly in non-equitorial regions, lead to:

  • significant increases in eating, decreases in satiety, and a general “lazy as fuck” malaise
    • humans are significantly less active in the winter, consume a less diverse diet and eat more, because they’re hungrier. I can personally attest to the fact that I awaken enraged and nauseated by the amount of hunger I am feeling, and last night, for instance, I ate two orders of al pastor and a massive slice of cornbread followed by a 50g protein shake in the four hours prior to bed last night. That’s something on the order of 1500 calories in four hours and I was so nauseated by hunger eight hours later I was drooling and spitting into the toilet right out of bed. And it’s not just me- for some reason we feel fat less satiety in the winter than we do in the summer, and thus eat far more (De Castro).
  • In Feb, Mar, and April, you can expect to be a hell of a lot more tense when you pop out of bed than in July and August (Persson)
  • scientists thought artificial lighting, heating, and food convenience would diminish the biological significance of seasonal biorhythms, believing people would then have rhythms ore closely resembling those of equatorial peoples, but they discovered the opposite was true.
    • “The use of these artificial aids reduces the exposure of individuals to fluctuations in ambient temperature and light, and this is more convenient for practising a modern lifestyle. However, these natural fluctuations contribute to the normal adjustment of the body clock to a 24-h period; their extensive use (artificial aids) will lessen this synchronization and may increase the risk of developing mismatches between the natural environment and the body clock (similar to the problems observed after a time-zone transition or during night work)” (Kanikowska).

Scientists believe that the reason we get fatter is due to these misalignments, which then reduce our satiety and all of that happy horseshit. The cause of the issue isn’t really at issue, because mediating it makes little sense beyond getting a blue light for your house and making the appropriate changes to your expectations and your training methodolgy so you maintain your sense of success from your spring and summer efforts through your seasonal downtime. In more detailed terms,

“It has been claimed that these misalignments may lead to alterations in metabolism and thermoregulation that promote obesity (Johnson et al. 2011; Wyse et al. 2011). While seasonal rhythmicity in energy storage and expenditure is significantly influenced by changes in the external environment (Reilly and Peiser 2006), the nature of daily rhythms in metabolism is more complex. In this respect, humans possess internal timing mechanisms which can act independently of daily changes in the environment. All cells show a genetic potential for daily rhythmicity, but in practice, this rhythmicity is manifested in only some regions of the body. These regions include the liver (which possesses a food-entrainable oscillator) and the suprachiasmatic nucleus (SCN) paired structures in the base of the hypothalamus. The SCN normally coordinates rhythmic activity throughout the body (acting via the autonomic nervous system, temperature regulation, hormone secretion, sleep, and feeding behaviour) and is known as the ‘body clock.’ Evidence is accumulating to suggest that the disruption of these body clocks may contribute to metabolic disorders and predispose to obesity” (Kanikowska).

One takeaway from the above is that it appears to my eye that eating on a regular schedule should help normalize your body clock.

If you would like to see some actual metrics on the natural seasonal variation in human activity levels, the Russians conducted a study on seasonal biorhythms that had some very stark results. As one would surmise by looking at the entirety of human existence, we are most active in the spring and summer, with a marked decrease in the fall and winter months.

(Talalaeva)

Applying This Knowledge

Anyone who is familiar with this site knows that I have nothing but contempt for “reasonable expectations,” yet I am not a person who ignores the environment when determining how I’ll train. Seasonal variation in activity levels is no different than training at a gym with different equipment half the year, or switching from sport to sport with the seasons- changing your training goals according to the season might make more sense than beating your head on the wall.

Anytime I have spit in the face of this profound realization, it has been to my detriment. In most cases I simply burned myself and had a lackluster year of training, but in one case I destroyed my interest in training altogether for multiple years by ignoring my body’s requirements. To me, this research all seems to indicate to me that the winter is perhaps a time for less volume, less time in the gym, and perhaps a change of gears altogether.

That’s not to say one should stop lifting in the winter (though a lot of the lifters and bodybuilders in the 50s, 60s, and 70s took a couple of months off in the winter), but it might be a time to hit the machines a bit and build some rep strength and hypertrophy, or maybe you want to switch it up and just train heavy as fuck a couple of times a week. Whatever you do, I would avoid trying to train in the winter the same way you would when the weather outside is nice and the days are long with the expectation that your gains are necessarily going to be the same- it’s pretty certain they won’t be. Whatever you do, don’t get down on yourself if your motivation is in the shitter and you’re dragging yourself through your workouts these days, because I guarantee you that you ain’t the only one dragging.

Also, it couldn’t hurt to get a full spectrum light therapy lamp to blast into your eyes a couple of hours a day, especially before the gym- it makes a hell of a lot of difference in my energy levels and mood. They’re used to treat seasonal and non-seasonal bipolar depression, as they improve serotonin reuptake and help regulate your circadian rhythms (Maruani). If they’re good enough for the nutters, they’re good enough for me, so I use that light daily.

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Sources:

De Castro, JM.  Seasonal rhythms of human nutrient intake and meal pattern.  Phys Behav.  Jul 1991, 50(1):243-248.

Kanikowska D, Sato M, Witowski J.  Contribution of daily and seasonal biorhythms to obesity in humans.  Int J Biometeorol. 2015; 59(4): 377–384.

Maruani J, Geoffroy PA.  Bright light as a personalized precision treatment of mood disorders.  Front Psychiatry. 2019 Mar 1;10:85.

Mentore, Brandon.  How biorhythms change with the seasons.  Medium.  19 Nov 2018.  Web.  4 Jan 2020.  https://medium.com/@brandnbodylogic/how-biorhythms-change-with-the-seasons-4e82e581a1de

Persson R, Garde AH, Hansen AM, Osterberg K, Larsson B, Orbaek P, Karlson B. Chronobiol Int. 2008 Nov;25(6):923-37.

Talalaeva GV, Khokhutkin IM.  Seasonal biorhythms as a feature of human genetic systems.  Eur J Nat Hist. 2007, 4:68-73.

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