Sleep is a fundamental pillar of children’s overall wellness, playing a vital role in their physical growth and brain development. Lack of sleep can affect their mental and physical health. Getting your little ones ready for bed involves more than just calming activities before bedtime. It turns out that keeping them active during the day can work wonders for their sleep, too! A recent study in the journal BMJ Global Health found that kids who stay active during the day tend to drift off to sleep faster at night.