UK Heatwave: How was your sleep? UK swelters under hottest night on record
The BBC's Matt Taylor talks us through the provisional figures, after the UK swelters through the hottest night on record.
The UK is also set to see its hottest day on record, with temperatures on Tuesday expected to reach up to 42C(107.6F).
You can follow this developing story here.
Read more:
Why are we experiencing extreme heat?