Heated blankets promise cozy, better sleep. But does the actual science of body temperature and sleep back that up?

Light therapy lamps, blue-light glasses, smart desk lighting - they promise sharper focus and better mood. Does the science actually back that up?

White noise, pink noise, nature sounds — sound machines promise a better night either way. But does the research back every color of noise equally?

Researchers found that HEPA air purifiers can slash airborne allergen levels by more than half — but whether your nose actually notices is a more complicated story.

Weighted blankets are more than cozy — studies show they can improve sleep and ease anxiety naturally.

Sleep supplements are a billion-dollar industry, but the scientific evidence behind them varies dramatically from one ingredient to the next. For some, the research is surprisingly solid. For others, decades of use have produced remarkably little proof they work.

A landmark review commissioned by the American Dental Association searched the published literature for clinical evidence supporting charcoal toothpaste claims — and found none that met the inclusion criteria. Yet these products continue to dominate pharmacy shelves and social media feeds worldwide.