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Back Pain & Alignment


How Much Should Your Shoulder Sink Into a Mattress?
Learn how much a shoulder should sink for side sleeping, including pressure relief, spinal alignment, mattress firmness, body weight, pillow height, and warning signs.

Professor Goodsleep
Jul 107 min read


Why Heavy People Get Lower Back Pain on Soft Mattresses (The Hammock Effect)
By Professor Goodsleep Why Heavy People Get Lower Back Pain on Soft Mattresses Why You Wake Up With a Sore Lower Back If you're over 230 pounds and wake up with an aching lower back, your mattress may not actually be "too soft." Instead, you may be experiencing what I call the Hammock Effect. After more than a decade helping customers find the right mattress, I've noticed the same pattern repeatedly. A mattress that feels wonderfully soft in the showroom can become a problem

Professor Goodsleep
Jul 33 min read


Can the Right Mattress Help With Scoliosis?
Learn how mattress firmness, pressure relief, sleeping position, and pillow support may affect comfort with scoliosis—and why treatment decisions need medical guidance.

Professor Goodsleep
Jun 162 min read


Why Do I Wake Up With Neck Pain? Mattress & Pillow Guide
Learn how mattress firmness, pillow height, sleeping position, pressure, and alignment may contribute to morning neck pain—and when to seek medical advice.

Professor Goodsleep
Jun 162 min read


Why Do My Arms Go Numb While Sleeping? Causes, Mattress Pressure, and What to Do
Why do your arms go numb while sleeping? Learn how side-sleeping pressure, pillow height, and bent elbows or wrists may contribute—and when to seek medical care.

Professor Goodsleep
Jun 1610 min read


Can Your Mattress Cause Shoulder or Hip Pain?
Learn how mattress pressure, firmness, alignment, pillow height, and wear may contribute to shoulder or hip pain, plus when to seek medical advice.

Professor Goodsleep
Jun 1310 min read


Lower Back Pain and Your Mattress: A Real Case Study
A real-world case study shows how mattress firmness, body weight, sleeping position, and support can affect morning lower-back discomfort and mattress choices.

Professor Goodsleep
Jun 123 min read
Best Mattress Firmness for Back Pain: Complete Guide
What is the best mattress firmness for back pain? Learn how body weight, sleep position, pressure relief, support, and spinal alignment determine the right feel.

Professor Goodsleep
Jun 89 min read
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