Maria Appelt | Child development expert on Instagram: "When babies move a lot before or during sleep it’s due to sensory seeking. Babies who do this a lot have a higher sensory need and because of that they are a bit understimulated in their primary senses. They then try to fix this by moving their arms, legs and sometimes their entire body. It helps a lot to give sensory seeking babies this basic sensory stimulation during the day through easy exercises and guided play. Maybe you already know h