The school district, in Texas, said that "the matter is under investigation, and we will take all necessary steps to prevent this from happening again"

The Northgate Crossing Elementary School educators are under police investigation after parents reported they allegedly gave their tiny tots a “sleeping sticker” during school hours that later impacted their moods at home, local outlets reported.

Parents at Northgate Crossing Elementary School in Spring say their children were given “special” stickers by two teachers Sept. 24, according to KTRK. Lisa Luviano asked her 4-year-old daughter about the sticker when she came home from school, and her daughter’s response worried her.

Elementary school teachers in Spring, Texas, have been placed on administrative leave after allegedly giving students as young as 4 years old sleep aides in the classroom, the school district announced.

The alleged incident occurred on September 24, and the teachers involved were ‘immediately removed from the classroom,’ pending a police investigation, according to the school district

Parents of preschool students at a Spring ISD elementary school said teachers have been giving their children sleeping aides. They said their children told them they were given "sleepy stickers" that would make them fall asleep.

Two teachers were caught giving students sleep stickers that might have included a sleep aid. They were placed on administrative leave. Details explained.