If you've been waking up drenched in sweat at night, it could be more than just a hot bedroom. TikTok doctor Dr James Williams, who has more than 200,000 followers on the platform, warns that people over the age of 40 who frequently experience night sweats could be suffering from a serious and contagious infection - or worse. One condition linked to this uncomfortable symptom is tuberculosis (TB), a bacterial infection that mainly affects the lungs. The World Health Organization (WHO) explains