Red flag sign of cancer could appear on your pillows in the morning Health experts have warned of a lesser-known symptom of a potentially deadly disease that could appear on your pillows and bedsheets in the morning.
“Very heavy night sweats” are listed by Cancer Research UK as a general sign of cancer.
However, if you wake up regularly to find yourself or your pillow and sheets drenched in sweat this could be a red flag sign of cancer.
Extremely heavy night sweats that leave a mark could signal cancer.
Night sweats are when you sweat so much that your night clothes and bedding are soaking wet, even though where you're sleeping is cool.”.