While guidelines suggest those aged between two and four should be limited to just one hour a day.
Most under-fives are spending too long in front of screens according to new research.
The World Health Organisation says that kids under two should not look at screens at all.
While guidelines suggest those aged between two and four should be limited to just one hour a day.
Brendan Kelly, Professor of Psychiatry at Trinity College Dublin, says most of us use screens too much: