Sleep tracking: Does it really help you sleep better or does it cause unnecessary stress?

Introduction: Why Sleep Tracking is Becoming Increasingly Popular

We are becoming increasingly aware of the importance of sleep. A good night's sleep is essential for health, energy, focus, and even our mood. It is therefore not surprising that more and more people are turning to technology to measure their sleep. Think of smartwatches, apps, or wearables that track every movement and heart rate.

But the question arises: does sleep tracking really help you sleep better? Or does it actually create extra restlessness and obsession about sleep? In this article, you will get a well-founded and honest answer, so you can make an informed choice.

What exactly is sleep tracking?

Sleep tracking is the measurement of your sleep pattern using technology. This can be done via:

• Wearables such as smartwatches or sleep trackers (e.g., Fitbit, Oura Ring)

• Sleep apps on your smartphone that record sounds and movement

• Smart mattresses or sleep monitors that track your movements and breathing

Most devices give you data such as:

• Total sleep time

• Time in light, deep, and REM sleep

• Number of awakenings

• Heart rate and breathing

The goal is to gain insight into your sleep quality and then improve it.

The benefits of sleep tracking

For many people, sleep trackers offer concrete benefits, especially when they struggle with sleep problems.

1. Insight into sleep patterns

People who feel they are not sleeping well can better understand their sleep with a tracker. For example, you see:

• Whether you actually sleep as little as you think

• How long it takes you to fall asleep

• Whether you wake up often without realizing it

2. More conscious approach to sleep habits

Tracking often leads to more awareness. If you see that alcohol, screen time, or stress affect your sleep, you are more likely to adjust your habits.

3. Targeted improvement

Sleep tracking works well in combination with other techniques such as sleep diaries or cognitive behavioral therapy for insomnia (CBT-i). It provides concrete feedback on whether your improvements are working.

The downside: sleep tracking can also be stressful

Not everyone benefits from it. For some, tracking sleep can actually be counterproductive.

1. Orthosomnia: obsession with perfect sleep

There is a growing number of people suffering from ‘orthosomnia’, the fear of not sleeping well enough based on the data from their tracker. They obsessively check their app, worry about their scores, and get stressed if they don’t sleep “well enough”.

This stress is counterproductive: the more you are fixated on sleep, the harder it becomes to fall asleep.

2. Data are not always accurate

Many consumer devices measure sleep based on movement, heart rate, or sound. But these are nowhere near as accurate as a sleep study in a clinic.

For example:

• You might be indicated as "awake" while you are quietly dreaming

• Sleep phases are not always correctly assessed

This can lead to incorrect conclusions or unnecessary worries.

3. Lack of context

A tracker doesn't know why you sleep poorly. It only tells you that. Without context about your life, stress level, health, or habits, the numbers can be misleading.

When is sleep tracking useful?

Sleep tracking is particularly useful if you:

• Suffer from mild sleep problems and want to gain more insight

• Are willing to actively work on your sleep habits with that data

• Can view data as directional and not as an absolute truth

Use it as a tool, not as a diagnostic instrument.

For people who are sensitive to control or perfectionism, sleep tracking can actually increase stress. If you notice that your sleep data makes you restless or that your day is affected by a low "sleep score"? Then it might be time to stop or reconsider its use.

Tips for responsible use of a sleep tracker

Do you want to track sleep without stress? Then these are valuable tips:

1. Choose a simple tool. Do not use hyper-detailed apps if they make you restless.

2. Look at averages, not daily results. Sleep varies. Look at trends over a week or month.

3. Focus on behavior, not on numbers. Use the insights to discover patterns, but don't let your day be dictated by the data.

4. Combine with a sleep diary. Note how you feel, what you did before bed, and link that to the data.

5. Be critical. Trust your own feelings and night experience, not just an app.

Do you want to know exactly what a sleep tracker is and how they work? Read our complete guide on sleep trackers and their functionality.

What do sleep experts say?

Many sleep experts are moderately positive about sleep trackers, provided they are used consciously. They acknowledge that technology can help people gain insight, but warn against over-interpreting data.

For serious sleep problems, experts advise not to rely on sleep apps, but to contact a GP or sleep clinic. Self-measurement can help, but does not replace medical advice.

Conclusion: helpful tool or hindrance?

Sleep tracking can be valuable, provided you use it correctly. See it as a coach on the sidelines, not as a strict referee. For some, it offers insights that lead to a better night's sleep. For others, it causes restlessness or performance anxiety around sleep – which only exacerbates the problem.

The most important thing? Keep listening to your body and your feelings. No app knows your sleep better than you do.

What do you think?

Do you use a sleep tracker? Has it helped you or caused more stress? Let us know in the comments below, we are curious about your experience!

Do you want to read more about what to do about overactive brains during sleep? Click here.