When sleeping on a firmer surface, the bones absorb most of the pressure, meaning there is less stress on muscles, veins and arteries. Muscles are less strained, and circulation is improved. A firm mattress also keeps your lower back from collapsing, which could allow for more oxygen intake while sleeping.
Laying on a hard mattress can allow the body to lay in the proper alignment. This, in turn, can decrease many types of pains in the body and can ultimately help with posture! Reduces pressure on your circulatory system, allowing for more oxygen intake while sleeping.
Firm mattresses can be bad for side sleepers, especially ones under 150 pounds. If your mattress firmness is too hard, it might not have enough give and cushioning for your pressure points. Lack of pressure relief can disrupt your sleep and cause pain and even numbness and tingling in your extremities.
A softer mattress can lead the hips and pelvis to sink in too much, which can result in poor alignment and ultimately, discomfort. A firmer mattress will help keep everything straight while sleeping in these positions.
Based on Your Sleep Position
Side sleepers typically benefit from softer mattresses because they cradle the hips and shoulders to help maintain spinal alignment. Back and stomach sleepers need less contouring and receive better spinal support from firmer beds with stable surfaces that prevent sinkage.
Generally speaking, heavier people prefer firmer mattresses. Soft foams may sink in too much for comfort and adequate support. Conversely, lighter sleepers may sink in less and find firm beds to be uncomfortably hard, so they generally prefer soft to medium firm options.
If your mattress is too firm, you might experience a few different symptoms. An overly-firm mattress can put excess strain on your pressure points (shoulders, hips, and torso) or cause spinal misalignment. You might also find that your body stays tense as you sleep, resulting in muscle, neck, or back pain.
Side sleepers do best with a mattress that is a medium to medium firm feel, which is a 5-6 firmness on our scale. Lighter weight side sleepers may go as soft as a 4 firmness with ultra light weight side sleepers going as low as a 3. Heavier side sleepers may go as high as a 7 firmness, though not more than that.
Therefore, the best mattresses for side sleepers are often plush to minimizes discomfort around the shoulders and hips while promoting proper spinal alignment. If you change positions throughout the night, a plush mattress can work in your favor.
By sleeping with the mat on the floor – rather than on a bed frame, as in Western culture – the Japanese believe it helps to relax the muscles, while enabling the hips, shoulders and spine to maintain a natural alignment during rest.
Is a soft mattress bad for your back? It is if it's so soft that it doesn't support your spine. If you sink into the mattress so that your hips are lower than your shoulders, your mattress may be too soft and could be contributing to back pain. Keep in mind that weight is a factor when it comes to mattress firmness.
Side Sleepers. If you are a side sleeper, which accounts for about 70% of us, you should consider a firm or extra firm pillow to maintain a proper alignment of the neck and head. The pillow should not be too high – only about 4 inches from the mattress.
Under normal conditions, mattresses should be replaced every 6 to 8 years. Of course, this is a general guideline and not a one-size-fits-all solution. There are various factors that influence when you should replace your mattress.
Firmness. Generally speaking, a medium-firm or firm mattress is the best choice for sleepers who weigh more than 250 pounds. Firmer mattresses will offer ample support, encouraging proper spinal alignment and resisting sagging over time.
Do firm mattresses get softer? All mattresses get a little softer within the first 50 to 60 nights of regular use. This is called the natural break-in period. However, this natural break-in doesn't make it an uncomfortable mattress, rather it tempers down the extra firmness of a new mattress.
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Specifically, sleeping on the side or back is considered more beneficial than sleeping on the stomach. In either of these sleep positions, it's easier to keep your spine supported and balanced, which relieves pressure on the spinal tissues and enables your muscles to relax and recover.
A mattress that is too soft will cause you to sink and hurt your back and spine while you sleep. Persistent morning back pain is an indication that your mattress is too soft to firmly support your body.
Typically, the mattresses used in hotel rooms are medium-firm. This is because medium-firm mattresses can accommodate all three sleep positions. Back, side, and stomach sleepers will feel supported with proper spine, neck, and hip alignment.