What temperature should I leave my heating on overnight UK?
Sarah Richards
Published May 16, 2026
Turning your heat off can disrupt sleep
According to doctors, temperatures below 60-67 is not ideal for sleeping. So turning your heat off at night isn't just uncomfortable, it can also cause you to lose sleep.Should you leave the heating on overnight UK?
An NHS doctor has revealed why people should not leave their heating on overnight this winter, as it will disrupt their quality of sleep. In a video posted to TikTok, Dr Karan Rajan explained that sleeping in a cold room helps lower our core body temperature.What temperature should heating be set at overnight?
And The World Health Organisation (WHO) suggests 18 degrees is the ideal temperature for healthy and well-dressed people. Both agree this is also the ideal temperature for sleeping. In practice, you should be heating your home based on the age and health of your household.How cold should it be to put heating on UK?
You should heat your home to the temperature of at least 18 °C. This is particularly important if you have reduced mobility, are 65 or over, or have a health condition, such as heart or lung disease. Having room temperatures slightly over 18 °C could be good for your health.Is it better to leave heating on overnight?
Hot, dry air can leave you dehydrated, and even reduces your ability to fight off infections. Leaving the central heating on all night can also leave you thirsty and with a dry mouth.Is It Cheaper to Leave Your Heating on Constantly?
What temperature should I set my thermostat at night in the winter?
What Temperature Should I Set My Thermostat In The Winter?
- When Home: 68-70 degrees Fahrenheit.
- When Sleeping: 65 degrees Fahrenheit.
- When You're Away: 65 degrees Fahrenheit.
- Adjust thermostat in 5-8 degree increments.