You’re fast asleep when a sudden, knife-like pain in your leg jars you out of dreamland. It’s a charley horse – sharp, relentless, and completely unexpected. But why do night cramps strike in the dead ...

If you’re waking up covered in sweat and it’s not because there’s a heatwave outside or you're buried under heavy bed linens, then it could be that you’re experiencing night sweats. A study of over ...