It is thought that wearing orange-tinted glasses when watching TV or reading emails on the phone is more or less ridiculous. However, the orange-tinted glasses can block certain wavelengths of light emitted by electronic screens and make it easier to sleep.Studies have shown that such light, especially from the blue part of the spectrum, inhibits the body's production of melatonin, a hormone that helps people fall asleep. Options are growing for block ing blue light, though experts caution that few have been tested for effectiveness and the best solution is to avoid brightly lit electronics at night. The intensity of light, in addition to colour, can affect sleep, and not all brands of orange-tinted glasses have undergone independent testing for their ability to aid sleep.