Have you ever noticed that your cough intensifies once you lie down? Or that your fever spikes after sunset? Perhaps your itching, pain, or congestion becomes more unbearable just as you’re trying to fall asleep.
You’re not imagining it. Many diseases and viral infections genuinely feel worse at night—and there are biological reasons why.
The human body runs on a 24-hour internal clock known as the circadian rhythm.
This rhythm influences hormone production, immune function, inflammation levels, body temperature, and even how we perceive pain.
When nighttime arrives, subtle changes inside your body can amplify symptoms of certain illnesses.Get The Full, Articles. .




