Key Stage 3
The dark side of blue light
Put down the phone!
Do you find it difficult to drop off to sleep at night? If the answer is 'Yes', then consider this - do you normally spend time on your mobile phone just before bed?
Having one last quick check for messages or trying to complete the next level on your favourite game is very tempting before lights out, but there is scientific evidence that the light from mobile devices is stopping us from falling asleep.