The event has so far raised over €3m for charities
More than 1,000 creche's and playschools are taking part in a national fundraiser today.
'National Pyjama Day', organised by Early Childhood Ireland will see toddlers go to class today in their pyjamas!
The event has so far raised over €3m for charities that support children with additional needs.
CEO Teresa Heeney says thousands of children and teachers will be involved:
Staff and children in Grovelands Childcare in the midlands have dressed up in their pjs for the day.