To perform an eye mask test, engineers used to draw a mask on the display of an analog oscilloscope with a grease pencil. Next, they had to trigger the oscilloscope with clock signal, turn up the ...

The best eye masks of 2025 are by Grace & Stella, Shiseido and Dieux. (Amazon; Sephora) I’ll never forget the first time I got contact lenses, not only because I could finally see without glasses, but ...

As someone who is practically nocturnal at this point, often going to sleep in the early hours of the morning when I can hear the birds tweeting outside of my window, the best under-eye masks have ...

There's no straightforward trick to getting a better night's sleep, but slipping on an eye mask could be a huge help. Believe it or not, there are actual advantages to wearing an eye mask. Not only ...