Doctors are warning adults to keep an eye on one red flag symptom of deadly cancer - and you only experience it at night.
A recent survey by Cancer Research UK found that just 48 per cent of adults admitted they would see a doctor within weeks of noticing early signs of the disease, even for coughing up blood or an unexplained lump.
But this symptom is a bit more subtle and could be put down to a number of things; night sweats.
