Story perspectives

High Bedroom Temperatures Triple Heart Risks for Seniors

2/18/2026

Summary

Story summary

A study led by Dr. Fergus O'Connor of Griffith University in Queensland, Australia, found that bedroom temperature significantly affects heart health in older adults.
The study tracked 47 participants, average age 72, in an Australian summer.
Temperatures above 75°F increased the likelihood of heart recovery issues, rising 40% from 75°F to 79°F, then doubling from 79°F to 82°F, and nearly tripling above 82°F.
The study was published in BMC Medicine.

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Story summary

A study led by Dr. Fergus O'Connor of Griffith University in Queensland, Australia, found that bedroom temperature significantly affects heart health in older adults.
The study tracked 47 participants, average age 72, in an Australian summer.
Temperatures above 75°F increased the likelihood of heart recovery issues, rising 40% from 75°F to 79°F, then doubling from 79°F to 82°F, and nearly tripling above 82°F.
The study was published in BMC Medicine.