1. What does "chăn ấm nệm êm" mean?
"Chăn ấm nệm êm" is a saying that implies a life of economic prosperity. In the current context, many people would feel that having "chăn ấm nệm êm" (warm blankets and soft mattresses) is a small, easily achievable thing. But in the context of the old days' economic hardship, it was a dream not everyone could attain.
Laborers struggled with difficult lives for food and clothing, and comfortable sleep became a luxury. For those who had to live under the open sky, having blankets and mattresses seemed unimaginable.

"Chăn ấm nệm êm" represents a prosperous life that many aspire to
Broadly speaking, "chăn ấm nệm êm" does not only refer to the essentials for sleep, but also to a life of abundance, with enough food and warm clothes.
2. The meaning of "chăn ấm nệm êm" for sleep
The ancients had a saying, "sleeping at night is like lying down." Clearly, sleep is very important for humans. If you don't sleep well at night, you will feel sluggish the next day and lack the spirit to work. Getting enough and good sleep will help you feel comfortable and generate a lot of energy.
Warm blankets and soft mattresses will ensure the conditions for the body to relax, easily fall asleep, and improve sleep quality. Comfortable mattresses create a "standard" and pleasant sleeping posture, avoiding aches and pains from prolonged contact with a hard surface.
"Soft mattress" protects the body during sleep
Sleep often lasts for many hours, and it's important to maintain a correct sleeping posture to avoid neck and shoulder pain. Ru9 mattresses are soft and provide good body support with thick foam material and 6 different sizes to suit all needs. Ru9 is a leading brand in using foam material. With its valuable benefits for sleep, foam mattresses have gradually gained the affection and trust of users.

Ru9 mattress is the "soft mattress" standard for refreshing sleep
Ru9 mattresses include:
Original Mattress: The Original Mattress has 3 layers. First is the exclusive Ru9 Contour Foam layer responsible for supporting the spine according to its natural curve. With high density, this foam layer prevents the mattress from sagging after use. Next is Memory Foam, which relieves pressure, ensuring the body doesn't experience反作用力 when lying down, always relaxed and light throughout the long night. Finally, the mattress cover is made from durable Tencel Knitted Fabric, which has good moisture absorption. Although it consists of 3 layers, users do not feel stuffy or lumpy because the foam particles are connected in an open structure, always airy, creating a cool feeling.
Nest Mattress: The Nest Mattress gives the sleeper a comfortable feeling. Similar to the Original mattress, the Nest mattress also has a Ru9 Contour Foam layer on top, so the body is always naturally cared for. The Ru9 PU Foam layer underneath has a durable structure that creates stability when lying down, giving you deep sleep and a refreshed spirit when you wake up in the morning.
"Warm blanket" maintains appropriate temperature for good sleep

Warm but not heavy or stuffy blankets help people fall asleep quickly
A blanket, like a jacket, must be soft and form-fitting without being stuffy to provide comfort to the wearer. Ru9's Eucalyptus blanket is made from 100% eucalyptus fibers, warming the body while remaining breathable. The cover fabric is woven from eucalyptus wood, which has temperature-regulating properties, making it warm in winter and cool in summer. With entirely natural materials, families can safely use it even for young children without worrying about irritation. On cold winter days, the winter cloud blanket will be an indispensable companion. With its appropriate thickness and cloud-like softness, it will give you a buoyant embrace.
3. Ancient beliefs about sleep
Since ancient times, our ancestors have passed down many "spiritual" beliefs about sleep. These teachings are still applied today, proving their certain accuracy.
Sleep duration
Today, with scientific advancements, we all know that staying up late is not good for the body. But in fact, this idea was already recognized and widely communicated by the ancients. The Han Dynasty poem "Kong Que Dong Nan Fei" (Peacocks Fly Southeast) described the bedtime as "nhân định" (the time of human settlement) in the line "Yểm yểm hoàng hôn hậu, tịch mịch nhân định sơ" (Dim twilight after sunset, silent at the beginning of human settlement). The "nhân định" time falls in Hợi hour, which is 9-11 PM.
Sleeping posture
People were very concerned about sleeping posture because it affects the spine. Uncomfortable sleeping positions caused people to ache and not feel alert enough when waking up. In ancient times, people avoided sleeping on their backs because they believed it resembled a corpse and caused life force to scatter. People at that time often preferred to lie curled up like a bow. Doctors throughout different generations also mentioned and advised people to sleep on their side to preserve qi and to be active after waking up to ensure good blood circulation.
Things not to do when going to bed
- Do not sleep on your back
- Do not think when sleeping
- Do not get angry before sleeping
- Do not eat before sleeping
- Do not face the light when lying down
- Do not turn your head towards the stove when lying down
- Do not open your mouth when sleeping
- Do not cover your face completely when sleeping
Above, Ru9 has presented to readers the meaning of the saying "chăn ấm nệm êm" along with some ancient beliefs about sleep. Sleep seems very easy at first glance, but sleeping deeply without feeling tired and being good for the body is not something everyone can do. Choose suitable products to improve your sleep.
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