Q: My 1-year-old has a strange sleep routine involving tensing and clapping. Is this cause for concern?

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Question: My 12-month-old son has developed a strange way of putting himself to sleep over the past six months. He turns onto his side, brings his arms in, and does a slow, quiet clap over and over. While doing this, he tenses his whole body hard and then relaxes it repeatedly, to the point where he starts to sweat. His eyes are usually half-closed but looking straight ahead. He continues these movements until he falls asleep. I showed a video to his pediatrician, who said she hadn't seen this specific behavior before but wasn't concerned. Is this type of self-soothing normal for a baby?

Answer: Lots of babies have weird ways to self-soothe before sleeping. What you're describing sounds like a form of "rhythmic movement," which is super common. I'm a doctor myself and haven't seen this exact clapping/tensing combo before, but it's likely just his unique version of it.

Many babies rock or roll their heads to calm down for sleep. The sweating might just mean he's working hard at it. :)

It's a great sign that your pediatrician saw a video and wasn't worried. Most kids grow out of these things. It's just one of those strange but normal baby phases.

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