According to scientist using your phone, tablet or console before you go to bed could interrupt your sleep.

The study fromLighting Research Center (LRC) suggests that the display on these gadgets can cause melatonin suppression which is the chemical that controls our body clock.

The associate professor,Mariana Figueiro said’Our study shows that a two-hour exposure to light from self-luminous electronic displays can suppress melatonin by about 22 percent,’ 

The researchers have now asked manufactures to test their products and to potentially put an automatic dimming tool.