Is Your Fitness Tracker Ruining Sleep Like Late-Night Snacks?

October 6, 2025 at 05:00 AM
The Independent

This article explores how fitness trackers, often praised for promoting health, could be inadvertently sabotaging sleep quality. The phenomenon, known as "orthosomnia," stems from excessive focus on sleep metrics provided by these devices, which can lead to anxiety and disrupted rest. Experts suggest prioritizing how refreshed you feel over tracker data and adopting Mediterranean-inspired habits, such as lighter meals, herbal teas, and optimizing your sleep environment with noise control, proper lighting, and temperature regulation. Pairing good sleep practices with a balanced Mediterranean diet rich in fresh, wholesome ingredients can enhance both physical and mental well-being, reflecting Malta's lifestyle of health and longevity.

Could This Popular Health Habit Be Sabotaging Your Sleep?

In Malta, where the Mediterranean lifestyle is often synonymous with health and balance, sleep is a cornerstone for optimal well-being. Yet, for many, achieving restorative sleep feels as elusive as finding the perfect pastizz. A growing culprit? That sleek fitness tracker on your wrist. While these devices offer insights into your activity levels and heart rate, their focus on sleep metrics could be doing more harm than good.

The Sleep Paradox: When Tracking Becomes a Trap

Fitness trackers have become as common as a cappuccino at your local café. But these devices, while useful, can sometimes lead to a phenomenon called "orthosomnia." Defined in the Nature and Science of Sleep journal, orthosomnia refers to the obsessive pursuit of perfect sleep based on wearable or app data. Ironically, this preoccupation with sleep quality can keep you awake at night.

“Any tracker can give you a decent estimate of sleep duration,” explains Dr. Andy Galpin, a leading human performance scientist and co-founder of Absolute Rest, a sleep optimization company. “But sleep quality is another matter entirely. Most fitness trackers provide inconsistent data about your time in different sleep stages like REM or deep sleep. That’s not what scientists consider true sleep quality, but it’s what consumers latch onto.”

In short, while you might feel refreshed after a good night’s sleep, a low "sleep score" on your device could leave you anxious and doubting your rest. This disconnect is fueling an increase in orthosomnia cases, Dr. Galpin notes.

A Simpler Way to Measure Sleep Quality

Instead of obsessing over your tracker’s data, Dr. Galpin suggests tuning into how you feel the next day. “If I wake up refreshed, have good energy, perform well during my day, and feel naturally sleepy at night, I don’t care what my tracker says,” he explains. Sleep quality isn’t just about time in bed—it’s about how well your body and mind recover and function.

And here’s a refreshing Mediterranean perspective: drowsiness at certain times, like early afternoon, is completely normal. Think of it as your body’s natural rhythm—a cue for a light siesta, perhaps, or a leisurely lunch with fresh Maltese bread and olive oil.

Food and Sleep: The Mediterranean Connection

As anyone living in Malta knows, food is not just sustenance—it’s a lifestyle. And what you eat can significantly impact your sleep. Incorporating foods rich in magnesium, like almonds, leafy greens, or even a handful of Ġbejniet (Maltese cheeselets), can promote relaxation. Herbal teas like chamomile or valerian root, widely available in local markets, are natural sleep aids.

Conversely, heavy meals late in the evening or too much caffeine—those extra espressos after dinner—can disrupt sleep. Try swapping your post-dinner coffee for a glass of herbal tea or warm milk infused with a touch of honey, a tradition rooted in Maltese households.

Environmental Factors: Simple Sleep Hacks

Dr. Galpin and his team have identified environmental factors that can make or break your sleep. Here’s how to optimize your sleep space in ways that align with Malta’s unique climate and lifestyle:

  1. Noise Control: If you live in bustling areas like Valletta or Sliema, where street noise is a given, consider earplugs or soundproofing curtains. While white noise machines lack strong evidence, keeping your bedroom quiet is key.

  2. Light Management: The Mediterranean sun is a blessing, but it’s best to dim things down in the evening. Use blackout blinds or eye masks, and switch to warm, soft lighting at night. If you can’t avoid screens, try blue light-blocking glasses.

  3. Temperature and Humidity: Malta’s summers can make sleeping a sweaty ordeal. Aim to keep your bedroom between 17–21°C with moderate humidity. A fan or cooling mattress can work wonders, while lightweight cotton sheets are your best friend.

  4. Air Quality: Fresh sea breezes are a natural advantage in Malta, but if you’re in an urban area, an air purifier might help, especially during the dusty Scirocco winds. Regularly washing bedding and airing out your room can also improve air quality.

  5. Scent: Lavender essential oil, long celebrated in Mediterranean culture, can help reduce anxiety and promote better sleep.

The Role of Fitness Trackers: Friend or Foe?

While fitness trackers can provide accountability and awareness, their limitations make them unreliable for sleep quality assessment. “The obsession with metrics like ‘deep sleep’ can be misleading,” Dr. Galpin warns. “Deep sleep is just a stage—it doesn’t guarantee you’ll feel refreshed.”

Instead of relying solely on technology, use trackers as a tool to spot patterns, not as the ultimate judge of your rest. And if your tracker’s data leaves you feeling stressed, it may be better to set it aside altogether.

When to Seek Help

If you’ve optimized your environment, adjusted your habits, and still struggle with sleep, it could indicate an underlying issue. Conditions like insomnia, restless leg syndrome, or sleep apnea often go undiagnosed. Dr. Galpin advises consulting a specialist for comprehensive testing that goes beyond the basics.

Your Personal Sleep Reset Plan

Improving your sleep doesn’t require drastic changes—just a few science-backed tweaks. Here’s a quick checklist to get started:

  • Wash your bedding weekly for a fresher, more inviting sleep space.
  • Keep your room cool (17–21°C) and use breathable fabrics like cotton.
  • Dim the lights three hours before bed and avoid screens 30 minutes before sleeping.
  • Skip the late-night heavy meals; opt for lighter options like grilled fish or a vegetable soup.
  • Use fitness trackers cautiously—focus on how you feel, not just the numbers.

The Bigger Picture: Sleep, Food, and Longevity

In Malta, where life is often celebrated around the table, sleep is another vital ingredient for longevity and health. Pairing good sleep habits with a balanced Mediterranean diet—rich in olive oil, fresh fish, vegetables, and whole grains—can work wonders for your physical and mental well-being.

Next time you’re enjoying a quiet evening by the sea or savoring a meal at your favorite restaurant, remember that good sleep starts with the choices you make throughout the day. And sometimes, the simplest rituals—like a warm herbal tea or a peaceful moment of gratitude—are the ones that help you drift off into the most restorative slumber.

So, let’s raise a glass to better sleep and better health—the Mediterranean way. Sweet dreams!