Sleep & NighttimeEvidence check
Best Bedroom Temperature for Sleep After 65: A Boston Study
Most advice says to keep the bedroom cool, often with one number. A Boston study tracked 50 adults aged 65 and up in their own homes for nearly 11,000 nights and found they slept best between 20 and 25°C (68 to 77°F), with sleep efficiency dropping 5 to 10% as the room rose from 25 to 30°C. Here is what it measured and why your own best number may differ.











