Sleep tracking devices and apps are becoming increasingly popular, with many people turning to technology to help them improve their sleep quality. While sleep tracking is still a relatively new area for tech companies, there are already a variety of devices and apps on the market that can help you monitor your sleep. These include wearable devices such as the Apple Watch, Fitbit, and Basis band, as well as mattress sensors like the Withings Aura and Beddit system. But what can you actually do with the data these devices collect?
| Characteristics | Values |
|---|---|
| Purpose | To gain insight into your sleep routine and quality |
| Devices | Fitbit, Apple Watch, Withings Aura, Misfit Shine, Basis Carbon Steel Edition, etc. |
| Data Collected | Sleep habits and patterns, heart rate, skin temperature, motion, food intake, caffeine consumption, etc. |
| Data Analysis | Recognizing patterns, making correlations, and hypotheses |
| Actionable Insights | Identifying factors affecting sleep quality, such as environment, behavior, and lifestyle |
| Limitations | Difficulty in tracking certain factors like light, temperature, and ambient noise |
| Alternatives | Medical sleep studies, polyphasic sleep cycles, or standard sleep patterns |
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What You'll Learn

Track other variables to improve sleep quality
Sleep tracking data can be a great way to improve your sleep quality, but it's important to remember that just tracking sleep isn't enough. To truly enhance your sleep, you need to track and modify other variables that influence your sleep quality. Here are some key areas to focus on:
Diet and Meal Timing: The food and drinks you consume can significantly impact your sleep. Caffeine and alcohol, for instance, are known to disrupt sleep patterns. Keep a close eye on your caffeine intake and avoid consuming alcohol close to bedtime. Additionally, consider the timing of your meals. Eating dinner earlier and opting for a light snack instead of a heavy meal later in the evening can promote better sleep. High-carb snacks before bed can also worsen sleep quality, so choose your bedtime snacks wisely.
Relaxation and Screen Time: Practicing relaxation techniques before bed can do wonders for your sleep. Incorporate activities such as reading a book, taking a hot bath, deep breathing exercises, or visualization techniques. These practices can help calm your mind and body, making it easier to fall asleep. Additionally, limit your screen time, especially before bed. The blue light emitted by electronic devices like smartphones and computers can negatively impact your sleep quality by reducing melatonin levels, which are crucial for relaxation and deep sleep.
Environment: Your physical environment plays a crucial role in sleep quality. Maintain a comfortable temperature in your bedroom, typically around 65°F (18.3°C). Consider investing in a thermostat or smart home technology to regulate temperature. Additionally, pay attention to light and noise levels. Excessive light, especially blue light from electronic devices, can disrupt your sleep. Utilize apps or smart bulbs that adjust lighting to reduce blue light exposure in the evening. If noise is an issue, consider using white noise or downloading apps that record unusual noises during your sleep, helping you identify any disturbances.
Lifestyle and Health: Your daily habits and lifestyle choices can impact your sleep. Regular exercise and spending time in natural sunlight during the day can improve your sleep quality and duration. Additionally, if you suspect you may have an underlying health condition or sleep disorder, consult a healthcare professional. They can provide guidance, run tests, and offer treatments to improve your sleep.
By tracking and modifying these variables alongside your sleep data, you'll be able to identify patterns and make informed adjustments to enhance your sleep quality.
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Understand the effects of your environment
Sleep tracking data can be used to understand the effects of your environment on your sleep. Environmental factors can have a significant impact on your sleep quality and duration. By tracking your sleep in different environments, you can identify patterns and make informed decisions to improve your sleep habits.
Some sleep-tracking devices can record environmental factors such as light, temperature, and noise levels in your bedroom. For example, you may discover that you sleep better when your bedroom is cooler or on days when you exercise. This information can help you optimise your sleep environment by making adjustments to the temperature, lighting, or sound levels.
Additionally, sleep tracking data can be used to evaluate the impact of external environmental factors on your sleep. For instance, research has shown that neighbourhood environments can influence sleep quality and duration. Factors such as neighbourhood violence, disorder, and social environment have been associated with shorter sleep duration and poorer sleep quality, particularly in minority populations. By understanding these environmental determinants, individuals can make informed decisions about their living situations or advocate for changes to improve sleep health disparities.
Furthermore, sleep tracking data can help identify the effects of your immediate surroundings on your sleep. For example, if you notice that your sleep is disrupted when you work late nights or experience a stressful event, you can make adjustments to your daytime routines and work-related activities to improve your sleep. Understanding the interplay between biological, psychological, and environmental factors can help you optimise your overall sleep quality.
Sleep tracking data can also be used to study the impact of environmental factors on specific sleep disorders. Research has shown that environmental determinants, such as housing characteristics and neighbourhood exposures, can contribute to common sleep disorders like circadian rhythm disorders, sleep apnea, and insomnia. By understanding these relationships, interventions can be developed to target changes in the environment, promoting healthy sleep and reducing sleep disorders.
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Consider polyphasic sleep cycles
If you're looking to optimise your sleep, it's worth considering polyphasic sleep cycles. Polyphasic sleep involves breaking traditional sleep schedules into multiple shorter periods throughout the day and night. This means you'll be sleeping in multiple phases each day, with the number of sleep phases varying from two to six to eight.
Proponents of polyphasic sleep schedules argue that individuals do not need one sustained period of nighttime sleep to function normally. They believe that the circadian rhythm, or the natural internal process that regulates the sleep-wake cycle, can be adjusted so that a polyphasic pattern becomes normal and routine. This adjustment to the circadian rhythm can increase the number of waking hours, which may be beneficial for those who prioritise efficiency and productivity.
Polyphasic sleep schedules are not a modern concept. Historian Roger Ekirch's book, "At Day's Close: Night in Times Past", references over 500 instances of polyphasic sleep throughout history, from Homer's Odyssey to modern tribes in Nigeria. The term "polyphasic sleep" was first used in the early 20th century by psychologist J. S. Szymanski, who observed daily fluctuations in activity patterns.
Some well-known polyphasic sleep schedules include:
- Dymaxion: Developed by Buckminster Fuller, this schedule consists of four 30-minute naps every six hours, resulting in only two hours of sleep per day.
- Uberman: This cycle consists of six to eight 20-minute naps evenly spaced throughout the day, resulting in two hours of total sleep.
While polyphasic sleep schedules offer the potential for increased productivity, it's important to consider the risks and challenges associated with them. Polyphasic sleep schedules can be extremely difficult to adapt to, and they may not be sustainable or healthy in the long term. They can also be inflexible, leaving little room for social activities. Additionally, disrupting your natural sleep-wake cycle can negatively impact your health and hormonal processes.
Before adopting a polyphasic sleep schedule, carefully consider your individual needs and preferences. While it may work well for those with irregular work schedules or the "short sleep" gene, it's crucial to prioritise getting sufficient and quality sleep to maintain overall health.
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Choose a sleep-tracking device
Sleep-tracking devices are a great way to gain insight into your sleep patterns and quality. If you are an otherwise healthy person, these devices can help you understand your sleep habits and make adjustments for better rest. Here are some factors to consider when choosing a sleep-tracking device:
Type of Device
Sleep-tracking technology comes in various forms, including wearable devices like wristbands and watches, mattress sensors, and mobile applications. Wearable devices, such as the Fitbit Charge, Garmin Vivofit, or Misfit Shine, are popular options that conveniently strap onto your wrist. These devices often have additional features like heart rate monitoring and step counting, providing a comprehensive view of your health and activity levels.
Alternatively, mattress sensors like the Withings Aura or Beddit mattress sensor system offer a discrete way to track sleep without wearing a device. These sensors are placed under your mattress and record sleep data, sometimes integrating with other health and wellness products to provide a broader perspective on your habits.
Mobile applications, such as AutoSleep, which is compatible with the Apple Watch, can also be a good choice. These apps use the sensors in your smartphone or smartwatch to track your movements and determine your sleep patterns.
Data Tracking and Analysis
When choosing a sleep-tracking device, consider the type of data it tracks and how it presents that information to you. Some devices, like the Basis Carbon Steel Edition, measure heart rate, skin temperature, and motion data to determine your light sleep, deep sleep, and REM cycles. They may also provide detailed sleep reports and insights into your daily activities.
Look for devices that allow you to record additional data, such as food intake, caffeine consumption, and stress levels, as these factors can significantly impact your sleep. Centralizing this information in one place, as the Fitbit platform and app do, can make it easier to identify patterns and correlations affecting your sleep quality.
Ease of Use and Convenience
Select a device that suits your lifestyle and daily routine. If you prefer something straightforward and hands-off, a mattress sensor might be ideal. If you're comfortable with wearing a device to bed, a wristband or watch could be a good choice. Consider the device's battery life, comfort, and ease of syncing data to ensure it aligns with your needs and preferences.
Additional Features
Some sleep-tracking devices offer extra features that can enhance your sleep experience. For example, the Withings Aura includes a bedside device that serves as a lamp, alarm clock, and white noise machine. The lamp projects different coloured lights to help regulate your melatonin production, aiding in falling asleep or waking up.
Cost
Sleep-tracking devices vary in price, so consider your budget when making a choice. Basic activity trackers like the Misfit Flash are relatively inexpensive, while more advanced devices with multiple components, such as the Withings Aura, may be pricier.
In conclusion, when choosing a sleep-tracking device, opt for one that suits your comfort, provides the data you need, and offers insights to help you improve your sleep quality. By tracking your sleep patterns and making adjustments, you can take steps towards achieving better rest and overall well-being.
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Recognise patterns in your sleep habits
Recognising patterns in your sleep habits is a great way to improve your sleep quality. By collecting data about your sleep habits, you can start to identify trends and make adjustments to optimise your sleep.
Firstly, it is important to recognise that sleep data on its own is not enough to improve your sleep quality. You will need to compile additional data about your behaviour and environment to get a more comprehensive understanding of your sleep habits. This could include factors such as your caffeine intake, stress levels, and the temperature of your bedroom.
There are various sleep-tracking devices and apps available that can help you collect this data. For example, the Withings Aura is a three-part system that includes a mattress sensor, a bedside device, and a mobile app. The mattress sensor records your sleep data and sends it to the mobile app, while the bedside device can help you fall asleep and wake up by projecting different coloured lights to produce or inhibit melatonin. Other examples include the Basis Carbon Steel Edition, which is a wristwatch fitness tracker that measures your heart rate and skin temperature to determine your light sleep, deep sleep, and REM cycles.
Once you have collected data about your sleep habits and potential influencing factors, you can start to look for correlations. For example, you may find that you sleep better on days when you exercise or when your bedroom is cooler. Alternatively, you may discover that your sleep is disrupted if you consume caffeine after lunchtime or spend too much time staring at electronic screens before bed.
By recognising patterns in your sleep habits, you can make informed decisions about your daily routines and bedroom environment to improve your sleep quality.
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Frequently asked questions
Sleep tracking data can be used to help you recognise patterns in your sleep habits. For example, you may find that you sleep better on days when you exercise, or worse on days when you drink alcohol or caffeine.
There are many sleep-tracking devices and apps available, such as Fitbit, Apple Watch, or specialised sleep trackers like Withings Aura. These devices can monitor your heart rate, skin temperature, and motion data to determine your sleep cycles.
In addition to tracking your sleep, you should also collect information about your behaviour and environment, such as your caffeine intake, stress levels, and ambient noise or light in your bedroom. By making hypotheses and looking for correlations, you can identify factors that may be affecting your sleep quality.




































