- We need to get children active, says Robin Meyer, who is a sports consultant at RF-SISU Östergötland.
In Sweden, around 400 schools will have extra sports activities today.
At Katarinaskolan in Vadstena, both teachers and students testify about the importance of movement for school work to work.
-I am quite tired and sometimes a little angry too, says Ludvig Gullman about how he can feel at the end of the school day.
Teacher Petter Ohls Magnusson says that at Katarinaskolan, lessons can be interrupted for a break from exercise if fatigue strikes and students' concentration becomes too poor.