Young people who use screens before sleeping have more sleep problems Young people (13-18 years) who use light-emitting screens daily in the hour before going to sleep have more sleep problems.
Guus Velders in Nature's "Ten people that mattered this year" Researcher Dr Guus Velders of RIVM has made the Nature top-10 list of 2016. This means that, according to Nature, he was one of the 10 most influential scientists in 2016.