Newborn Baby Care: Twitching
Newborn infants are bundles of endless energy and movement. The central nervous system of a newborn is still immature, and your baby doesn't really have control over his body's movements. More often than not, these movements are completely normal. As your baby's nervous system matures, you'll notice more purposeful movements and better control of his arms and legs as he begins to explore his world.
There are a few conditions that may make you want to pay closer attention to your baby's movements. Consult your baby's doctor if, during these movements, you notice that your baby:
Very commonly, babies may have repetitive movements or jerking only when they sleep. Also known as benign sleep myoclonus, this is a very common condition. Your baby will outgrow these movements usually within the first few months of life.