Going without sleep can become dangerous quickly, with symptoms like cognitive impairment and hallucinations appearing after just a few nights. After 24, 36, 48, and 72 hours without sleep, problems ...

Maggie O’Neill is a health writer and reporter based in New York who specializes in covering medical research and emerging wellness trends, with a focus on cancer and addiction. Prior to her time at ...

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. The best pillow is unique to each person. “The key, ...