Using amber-tinted glasses to selectively block blue light from smartphones and other devices in the hours before bedtime could lead to improved sleep in individuals with insomnia, a study suggests.

These findings, published in the journal Sleep Medicine, are consistent with prior studies showing a benefit of blue- light-blocking lenses in improving sleep. Using amber-tinted glasses to ...

If you’re having trouble sleeping, try wearing amber-tinted glasses that block blue light for a couple of hours before going to bed. A new study found the glasses, which are available online and in ...