I've spent most of this heatwave doing what every Brit seems to do when temperatures creep above 25°C: complaining about being too hot while still refusing to invest in air conditioning. As someone who's also currently pregnant, sleeping has been particularly challenging. Between the heat, pregnancy insomnia and trying to find a comfortable position, I've spent more nights staring at the ceiling than anyone should. So when Dyson's new Find+Follow Purifier Cool launched, I was more than willing