Scientists named the optimal bedroom temperature for healthy sleep in elderly people
According to research by a group of scientists from Griffith University, maintaining the bedroom temperature at 24°C during nighttime rest can significantly reduce stress responses in people over 65 years old. This study was published in the journal BMC Medicine on February 11, 2026. Under the guidance of Dr. Fergus O'Connor, researchers analyzed how bedroom temperature affects heart rate and stress levels in elderly individuals.