“Firmness is the feeling of the mattress, how much cushion or give it allows,” Dr. Lees says. “Support is the pressure the mattress gives back, ensuring that heavier areas don’t sink too far into the bed, leaving a person sleeping in a C shape or an otherwise awkward position that could make them feel very sore.”
Tips for choosing a mattress firmness
Put simply, the best way to make sure a mattress’s firmness is right for you is to give it a whirl, Dr. Lees says. “Since each person is a different size and shape and has different sleeping preferences, you should always test the mattress personally,” he says. If you’re ordering your bed online, take note of trial periods, warranties, and sneaky hidden costs like return fees. Also, take stock of reviews from customers who have already tried the bed in question. (And, ahem, check with us too; Our experienced testers use our mattress-testing methodology to personally evaluate beds we recommend.)
Before shopping, Dr. Petkus suggests considering what you like (and don’t) about your current bed, and using that as a personal mattress firmness guide for yourself and any bedmates you have.
FAQs
How do I know which mattress firmness I need?
If a mattress feels comfortable to you when you lie down on it, Dr. Harris says that’s a good sign that it’s the right mattress firmness for you. However, body weight and sleeping position are also contributing factors to what feels dreamy. Heavier individuals and stomach sleepers may prefer a firmer mattress for extra support; combination and back sleepers typically do well with a medium-firm mattress; and a softer mattress can be a good choice for side sleepers and smaller people.
What mattress firmness is healthiest?
The mattress firmness considered “healthiest” for you will depend on a handful of factors like your body size, sleeping position (side, stomach, back, combination), and personal preference. Whatever feels most comfortable to you and supports neutral spinal alignment will be the best bet for your sleep quality.
How can I tell if my mattress is too firm or too soft?
If you’re having a hard time getting comfortable in one position or you toss and turn a lot at night, that could be a sign that your mattress is too firm or too soft, according to Dr. Lees. “Waking up very stiff or sore is also a good indicator,” he adds. ”Mattresses don’t last forever, so if your mattress initially gave you a great night’s rest but now you feel tired and [achy] in the morning, it may be time for a new mattress.”
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