Answered by Shaykh Faraz Rabbani
If We See Others Fidgeting In Prayer, What Should We Do?

Walaikum assalam wa rahmatullah,
There is nothing wrong with slight movements that are made out of need. When we see others engage in slight movement in prayer, we assume it is out of need, and return to focusing on the one we ourselves are praying to–Allah.
Allah Most High says,
“Establish prayer for My Remembrance.”
Wassalam,
Faraz Rabbani
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