4 Inch Memory Foam Mattress California King Ebay
What Is Memory Foam?
Very first developed in the mid-1960s for NASA plane seats, memory foam is made from a compound called viscoelastic. It is both highly energy absorbent and soft.
Memory foam molds to the body in reaction to heat and pressure, evenly distributing body weight. It then returns to its initial shape as soon as you eliminate the pressure.
In addition to protecting versus effect, these properties make memory foam really comfortable. After its “virgin flight” for NASA, memory foam made a foray into other applications. It was used as cushioning in helmets and shoes. Medication found a use for it in prosthetics and products to prevent pressure ulcers such as seating pads for people who are badly handicapped.
Memory foam truly took off. It’s now popular for its usage in pillows, mattress pads, and bed mattress, which can be found in various densities and depths.
What Are the Benefits of Memory Foam?
Could the special homes of memory foam enhance your sleep? Sleep professional Donna L. Arand, PhD, says that unbiased studies supporting the declared benefits of memory foam– or the results of any particular type of sleeping surface area– are lacking.
This is true for a variety of factors, she states. This type of sleep study can be expensive, if carried out independently. Or it is “gone after” by a shadow of bias, if supported by industry.
Likewise, some sleep innovation, such as memory foam, is relatively new, so it hasn’t been well studied. But possibly among the harder stumbling blocks to evaluating the health advantages of bed mattress such as memory foam is the subjective nature of sleep. It is just tough to measure.
What Are the Disadvantages of Memory Foam?
Gromer states that memory foam items may retain temperature, which might make them less comfortable in warm weather. However, Arand has not heard this complaint from her patients. “In our culture, most people can change their thermostats or blankets for the suitable season,” Arand states.
When new, memory foam can produce an odd chemical smell– a phenomenon called offgassing. To minimize this issue, the Sleep Products Security Council, a sleep items trade group, advises airing out the mattress or pad for at least 24 hours prior to putting sheets on it. “If you follow directions, the smell dissipates quickly,” Arand states, “However I have actually never ever heard of anyone having reactions to it.”
Are Memory Foam Products Safe for Young Children?
” I would strongly suggest preventing this and comparable very soft materials for usage in infants’ beds,” Gromer states. “That’s due to the fact that soft bedding traps [carbon dioxide] and increases the threat of sudden infant death syndrome (SIDS) deaths.” Pagination
To fight the heat of the traditional variety, open cell foam was invented to help people stay cool. The interior structure has pockets that permit airflow. On the plus side, sleepers won’t get so hot, but the holes imply that the surface of the bed is less thick. It’s typically a lesser quality product that will not last as long.
Memory foam is understood for helping with discomfort. It’s a leading choice among people with arthritis and people who have fibromyalgia because it finest simulates the sensation of sleeping on a fluffy cloud. The contouring likewise assists to keep the body in a natural positioning, which we’ll get to in a moment.
If you’re the type of individual who struggles to get comfortable on a standard bed mattress, or you have a hard time finding an ideal firmness level, then you’ll probably value this product.
Pressure Point Relief
Pressure point relief has ended up being something of a buzzword in recent years, but for great factor. And this is where viscoelastic beds shine.
Consider it this way: what takes place when you lie down in your corner on a piece of concrete? You’ll most likely feel the ground digging into your hips, your arm will drop off to sleep within minutes, however you’ll be lying there, wide-awake, wondering why you’re resting out in the street.
Since viscoelastic contours to your curves, it takes the pressure off your denser and heavier body parts like the hips and shoulders. This discovery was what offered this product its start in healthcare facilities. Not just did it assist clients sleep more comfortably, however it likewise worked to prevent things like bedsores.
Back Assistance & Spine Alignment
When you rest, your spinal column ought to maintain a similar position as when you’re standing. When people sleep on the wrong surface area, their spine tends to jut out or collapse in at abnormal angles. If you awaken sore or stiff in the morning, it could be your bed mattress’s fault. However, with memory foam, the contouring effects enable the spine to maintain its natural shape.
The best way to evaluate your bed to see if it enables proper positioning is to rest on your side and have somebody take a photo of you from behind. If you ‘d choose to work alone, then set a timer on your mobile phone’s video camera and take a picture that way.
Take a look at the angle of your spine. It ought to be a nearly completely horizontal line. If your hips and shoulders are raised up or sinking down, then you understand it’s time for a various bed.
Individuals checking out this kind of mattress should make certain they get one that has the correct density. If it’s too firm or soft, you’ll miss out on the advantage of appropriate spinal alignment. As a general guideline, the higher the foam density, the firmer the bed mattress. All mattress business and web sites will define what the density specifications are. Search for something that’s at least 3.5, if not closer to 5.0.