One of the biggest concerns of modern people is the lack of sleep. As more and more people suffer from insomnia due to irregular living, stress, and smartphone use, interest in sleep-improving devices that improve the quality of sleep is also increasing. Today, I will tell you various devices that help you sleep well, how to choose, and tips for using them.
1. Why do we need a sleep improvement device?
Sleep is not just a rest, it is also an important process to restore the body and mind. However, in modern society, sleep quality often declines for the following reasons.
Electronic Devices Use Up: Blue Light On Smartphones, Tablets Suppress Melatonin Production
Excessive Stress: Work and Academic Stress Disrupts Sleep
Irregular Living Patterns: Late Night Snacks, Caffeine Intake, Irregular Sleep Time
In order to solve this problem, many people are using sleep improvement devices recently.
2. What is a sleep improvement device in the era of sleep technology?
Sleep improvement devices can be broadly divided into the following types.
Sleep tracker/wearable devices: Monitor sleep time, sleep stage (light sleep, deep sleep, REM), heart rate, snoring, oxygen saturation, etc. with a smart watch or band.
Lighting and mood lights: regulate melatonin production through light that fits the body’s biological rhythm (period), and illuminate the optimal environment for sleep or wakefulness.
White silencer: Play special noise that blocks environmental noise and stabilizes the brain, and can be used from babies to adults.
Positive Pressure Unit (CPAP): A device used for medical purposes such as sleep apnea. Keeping the airways closed with constant air pressure.
Smart mattress/ pillow: Real-time analysis of body signals such as body pressure, body temperature, and heart rate, automatically optimizing temperature and hardness.
3. Sleep Tracker/Wearable: Data-Based Sleep Management
The latest wearables such as Apple Watch and Galaxy Watch have improved sensor performance, automatically analyzing from shallow to deep sleep and REM stages. They also provide data such as heart rate, respiratory rate, and oxygen saturation to help improve objective sleep habits. Some devices also support snoring and sleep apnea notifications, which are said to be useful for early diagnosis of diseases.
4. Light/Moodlight: Phototherapy to reset the biorhythm
Light stimulates the human brain (constant interactive nuclei) to determine the sleep and weather rhythms. The latest trend is “smart sleep lighting,” which uses 480nm blue light to bask in bright light 20 minutes before waking up and does not interfere with melatonin secretion at night with daylight indirect lighting.
Representative products (e.g., ‘clear sleep light’) have been proven to improve sleep quality and emotions in clinical studies. Light therapy was previously used only to treat seasonal depression and insomnia, but it has become easy to use at home recently. Smart mood lights that imitate sunrise and sunset, such as Phillips, Rumi, and Ollie, are popular.
However, some studies have shown that incorrect use of mood lights (when sleeping well under bright lights overnight) can rather weaken sleep quality and be a health risk (increase in blood sugar, heart rate), so brightness and timing control are important.
5. White Silencer: Noise Blocking and Psychological Stability
The white silencer provides continuous noise in one tone, helping not only babies but also adults not to be easily awakened by external noise. There are many new products that combine various sound options, timer function, and mood light.
In fact, there are many reviews that the quality of sleep for both babies and parents has improved significantly by using the white silencer in parenting homes. However, it is recommended to adjust the sound volume to less than 50 dB and to use it intermittently for sleeping. Excessive use can interfere with hearing development or language learning.
Portable, volume control, and timers are essential for all products, and it is important to select functions suitable for each home environment.
Top 5 popular white silencer in 2025
Name of the product
Key Features
It’s soft. White silencer
31 kinds of sounds, mood lights, etc
Atirabbit Starlight Mood
Starlight, color lighting, portability
The white silencer
35 sounds, a thermometer
Melowbuddy
a special sound, such as a heartbeat
Boar Honey’s
Lactation lamp, volume detail control
6. Positive Pressure Units (CPAPs) and Medical Purpose Devices
If you need professional treatment, such as sleep apnea, a positive pressure device (CPAP) is essential. Wearing a mask provides constant pressure of air and prevents the airway from closing. Some users complain of discomfort, but it also has the advantage of clearly improving sleep quality, morning fatigue, concentration, and long-term health. It is also necessary to carefully check professional counseling and insurance coverage information.
7. Smart Mattress and Pillow: Optimized Sleep Environment
AI-based mattresses automatically adjust temperature and hardness by analyzing personal body information such as body temperature, heart rate, breathing, and toss and turn in real time. It is evolving into a smart home solution that provides an optimal weather environment by linking it with smart home IoT and lighting, curtain, and alarm.
8. What to check when choosing a sleep improvement device
Identify personal sleep patterns: You should choose your device based on your problem causes, such as insomnia, sleep apnea, and simple toss and turn.
Convenience: Products that are easy to wear or operate are recommended because they have to be used every day.
Interworking: It is more effective if there is a function that analyzes sleep data in conjunction with a smartphone app.
Price Efficiency: Expensive products are not necessarily good, so it’s wise to choose the features you need.
9. Tips for Using Sleep Improvement Devices
Reduce smartphone usage before bed: No matter how good the device is, exposure to blue light will make it less effective.
Maintain a Regular Sleeping Habit: It is most important to sleep and wake up at a certain time.
Combined with environmental improvements: Adjusting the noise, temperature, and lighting in the room doubles the effectiveness of the device.
Check your sleep data history: If you’re using a sleep tracking device, gather data for at least a week or two to analyze patterns.
10. Trends for improving sleep in the future
Recently, smart sleep devices incorporating AI technology are attracting attention.
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