Research digest — not medical advice. Full disclaimer · How we rate evidence

Mattress Quality

Support and comfort

B - Good EvidenceOverall rating for this intervention. See the benefits list below for per-claim ratings.

Overview

Using a mattress that supports spinal alignment and matches your sleeping position. Old, sagging mattresses increase micro-arousals throughout the night.

How it works

Physical comfort reduces micro-wakeups caused by discomfort-driven position changes. Proper support keeps the spine in neutral alignment.

Benefits

Pain: reduces back and hip pain that fragments sleep.
A

Safety Profile

Risk Level

very low

Research Summary

Subjective but important. Replacing a mattress older than 8–10 years consistently improves sleep quality scores in trials.

Sources

•Effect of different mattress designs on promoting sleep quality, pain reduction, and spinal alignment in adults with or without back pain; systematic review of controlled trials(2015)

Last updated: 2026-04-10

Medical Disclaimer

This is a research summary, not medical advice. Body Signals is an independent research digest — it summarises published research for informational purposes and is not a healthcare provider. Supplements like melatonin, valerian, and magnesium can interact with prescription medications — check with your doctor or pharmacist before starting any supplement. Chronic insomnia may indicate an underlying condition (sleep apnoea, thyroid dysfunction, depression) and warrants a medical evaluation.

Need professional guidance?

If sleep issues persist despite lifestyle changes, a sleep specialist or your family doctor can help rule out underlying conditions.

Learn about sleep specialists