Sleep expert warns against 'heatwave freezer hack' that could harm you
![Sleep expert warns against 'heatwave freezer hack' that could harm you](https://i2-prod.mirror.co.uk/incoming/article33113692.ece/ALTERNATES/s615/0_GettyImages-1412665481.jpg)
People are in for some rough nights as temperatures rocket, making staying cool a challenge for many
People are in for some rough nights as temperatures rocket, making staying cool a challenge for many