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Late-Night Cravings: a Symptom of the Modern Lifestyle?

Food questions

You’ve seen the stock photos everywhere: someone (usually a woman) in pajamas in a dark kitchen, with just the refrigerator light glowing in front of her, highlighting whatever bowl of fatty, carb-y junk food she’s guiltily considering. If the rest of us could participate in whatever kind of night-eating these stock models are apparently doing – the kind where they’re all still thin and beautiful and have perfect hair even in the middle of their late-night kitchen raids – then maybe the late-night cravings wouldn’t be so bad. But in the real world, night cravings are much less glamorous, and much more invasive.

They’re also a great example of how the modern food environment is a “perfect storm” of factors that creates unhealthy or maladaptive eating behavior. Here’s how it works and what you can do about it.

What Causes Late-Night Cravings

Most people are familiar with the midnight sugar attack. While some people do crave junk food in the morning, and other people just keep craving it all day, the most common pattern is for the cookies to start looking better and better as the day goes on.

In fact, in extreme cases this, there’s actually a diagnosable eating disorder. Night Eating Syndrome (NES) includes symptoms like:

*N.b. some people are naturally not breakfast people and that’s OK. But if you’re not hungry in the morning and have ravenous uncontrollable cravings at night, it may be the sign of a problem.

This is all assuming that the person is aware that they’re eating and remembers it in the morning – sleep-eating is a different problem (technically called Nocturnal Sleep-Related Eating Disorder, or NSRED, if you’re interested in looking it up). NES is strongly associated with obesity and diabetes, for fairly obvious reasons.

Not everyone who craves sugar late at night has an eating disorder – that would basically make everyone “disordered.” But it’s not all that uncommon either: around 1-2% of normal-weight people and a much higher percentage of people with obesity have NES. And even people without a diagnosed disease still have late-night cravings that disrupt their lives and make healthy eating much harder to maintain.

So disordered or not, what causes late-night food cravings?

Patients with NES have a normal cycle of sleep/wake hormones, but a delayed pattern of appetite hormones and food intake. In particular, their levels of ghrelin (a hormone that makes you feel hungry) are lower in the morning, so they don’t get hungry for breakfast the way that biologically normal people do. Their hunger is delayed by several hours, so they get hungry in the evening, and eat, which messes up their sleep schedule because food is a signal to wake up. That creates more hormonal problems, and turns into a vicious cycle.

Most of these problems can basically be traced back to “modern life.” Night cravings and night eating are at least partly symptoms of our environment. We throw off our circadian rhythms by staying up late at night staring at computer screens. We live in an environment where “willpower” is necessary to make good food choices – for someone in the actual Paleolithic, there would be no need for that at all, because there wouldn’t be any Oreos to resist in the first place! We’re bombarded by chronic stressors and gut disruptors

Managing Night Cravings

The list of problems should already clue you in to some potential solutions, but just in case, here are some strategies to try. Something like late-night light exposure or gut-disrupting foods might be part of your environment, but that doesn’t mean you have no control over it.

For retraining healthy circadian rhythms:sleeping

For addressing the mental and psychological causes:

For healing your gut:

Summing it Up

Night eating and late-night cravings aren’t the result of insufficient willpower – if we had to rely on “willpower” to avoid eating at night, everyone would be a night eater. These are very complex problems of hormone dysregulation, and they’re not entirely under anyone’s conscious control. Many of the contributing factors to night eating (e.g. circadian disruption, gut flora issues) are direct results of the modern environment.

If you have an eating disorder, go see a professional who can help you. But if you’re just one of the many people struggling with night-time cravings, then the suggestions above might be helpful for getting your sleep/wake and appetite hormones back in sync, so you don’t need to fight them off with “willpower” in the first place.

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Hi I’m Ashley, I’m an ADAPT Certified Functional Health Coach

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