Best Mattresses for Pregnancy
Pregnancy transforms sleep — by the third trimester, many women experience back pain, hip pain, frequent position changes, restless legs, and difficulty staying comfortable in any position. The right mattress can't eliminate all pregnancy sleep challenges, but it can meaningfully reduce pain and improve comfort during a time when quality sleep matters enormously for both mother and baby.
What to Look For
Pressure Relief
Side sleeping (the recommended position in pregnancy) requires excellent pressure relief at the shoulder and hip. As the pregnancy progresses and body weight increases, pressure relief becomes increasingly important.
Lumbar Support
The shifting center of gravity in pregnancy strains the lumbar spine. A mattress with zoned support — softer at the shoulder and hip, firmer under the torso — helps maintain spinal alignment in the side position.
Edge Support
Strong edge support is essential for pregnant women getting in and out of bed — especially in the third trimester when mobility is reduced. A mattress that compresses significantly at the edge is a fall risk.
Responsiveness
Frequent position changes throughout the night are common during pregnancy. A responsive mattress (latex or hybrid) makes repositioning easier than slow-response memory foam.
Chemical Safety
Certifications like GREENGUARD Gold, CertiPUR-US®, and GOLS/GOTS organic are more relevant during pregnancy. Minimize exposure to off-gassing chemicals during a new mattress purchase.
Features to Prioritize
- ✓High pressure relief (7+/10) for side sleeping
- ✓Strong edge support for safe entry/exit
- ✓Responsive construction (hybrid or latex) for position changes
- ✓GREENGUARD Gold or CertiPUR-US® certification
- ✓Medium firmness (5–6.5/10) — firm enough for support, soft enough for comfort
Features to Avoid
- ✗Very soft mattresses that allow hip sinking and spinal misalignment
- ✗Very firm mattresses that create pressure at shoulder and hip
- ✗Slow-response memory foam for active position-changers
- ✗Uncertified foams with unknown off-gassing
Our Top Picks for Pregnancy
Ranked by a weighted score based on the factors that matter most for pregnancy.
The Dusk Elite is Helix's 15-inch luxury version of the Dusk feel profile, adding GlacioTex Elite cooling, microcoils, and additional foam layers.
The Midnight Elite is Helix's 15-inch luxury version of the Midnight feel profile, adding GlacioTex Elite cooling, microcoils, and additional foam layers.
The Moonlight Elite is Helix's 15-inch luxury version of the Moonlight feel profile, adding GlacioTex Elite cooling, microcoils, and additional foam layers.
The Sunset Elite is Helix's 15-inch luxury version of the Sunset feel profile, adding GlacioTex Elite cooling, microcoils, and additional foam layers.
Bear's 14-inch luxury hybrid adds three firmness choices, copper-infused memory foam, zoned coils, and reinforced edge coils.
Bear's most advanced 13.5-inch hybrid adds Celliant, cooling quilt foam, copper memory foam, microcoils, and zoned coils.
Beautyrest Black Series Four Medium Pillow Top is the most premium current Black medium pillow-top option, adding 4K Nano Coils and extra premium foam layers.
The premium version of the Dusk, with a pillow top, zoned memory foam, TENCEL cover, and 48% less motion transfer than average hybrids — a top pick for couples.
The premium tier of Helix's best-selling Midnight line, adding a pillow top, zoned lumbar support, and optional GlacioTex cooling cover.
Layla's flippable hybrid pairs copper-infused memory foam with a dual-gauge pocketed coil system for two usable feels in one 13-inch mattress.
Best Mattresses for Pregnancy — Frequently Asked Questions
What sleep position is recommended during pregnancy?
The SOS position (Sleep On Side) is recommended by OBGYNs, particularly in the third trimester. Left-side sleeping improves blood flow to the placenta and reduces pressure on the inferior vena cava (the major vein carrying blood to the heart). A pregnancy body pillow can help maintain this position.
Is my current mattress safe during pregnancy?
An existing mattress is generally fine if it's in good condition and provides adequate support. However, if your mattress is sagging, more than 7 years old, or causing pain, pregnancy is a good reason to replace it. A new mattress should be given 1–2 weeks to off-gas before sleeping on it if possible.
What firmness is best for pregnancy?
Medium to medium-soft (4.5–6/10) is typically recommended for pregnancy. The growing belly changes weight distribution significantly by the third trimester, often requiring more pressure relief than pre-pregnancy firmness preferences.
Can a pregnancy body pillow replace a good mattress?
No — a body pillow improves positioning but can't compensate for a mattress that's too firm, too soft, or sagging. Ideally, both a supportive mattress and a body pillow work together.
Should I buy a new mattress before my baby arrives?
If your mattress needs replacement, buying 2–3 months before your due date is ideal. This gives the mattress time to fully off-gas and allows you to benefit from improved sleep during the third trimester, when sleep quality is often worst.