Spring feels like a fresh start for everyone. Brighter days, warmer air, and that unmistakable feeling that something is shifting (especially after the winter we’ve had). But parents often notice something deeper happening in their kids, too: big swings in energy, sudden hunger, mood changes, and kids seemingly growing out of everything overnight. While this might sound like what our grandparents would have called “spring fever,” there’s actually real biology behind it. 1. Seasonal Growth Spurts Really Do Happen Children don’t grow at a perfectly steady pace. Instead, their bodies go through growth spurts, and many of those spurts tend to line up with spring and early summer. During this time, kids can grow faster and more noticeably than they do in winter. Why this matters: Research shows children often experience their fastest height gains in late spring and summer compared to colder months More sunlight increases vitamin D production,…