Blue light has a short wavelength and high energy, which means that it boosts alertness and mood. That can be great during the daytime, but at night, it can disrupt the body’s 24-hour biological ...

So much for dreaming of a bright Christmas. Festive lights have a starring role on most Christmas trees, but a UK sleep specialist says your dazzling display may be disturbing your dozing. Isaah ...

Blue light has a short wavelength and high energy, which means that it boosts alertness and mood. That can be great during the daytime, but at night, it can disrupt the body’s 24-hour biological ...