Baby sniffling and squeezing eyes and sighing may be related to bad habits, or it may be due to pediatric tics and other causes. 1. bad habits: babies are in the growth and development period, for many things around you will produce a sense of curiosity, always like to imitate the behavior of others, if the people around you there are sniffling, squeezing the eyes and sighing behavior, the child may be imitated and gradually develop bad habits, so that the phenomenon of sniffling, squeezing the eyes and sighing. 2. Pediatric Tourette’s Syndrome: This is a vocal or motor muscle twitching disorder that can lead to sniffling, eye squeezing and sighing, and may be accompanied by shrugging of the shoulders and involuntary vocalizations. It may be associated with genetic, immunologic, and neurobiochemical factors. Babies sniffling, squeezing eyes and sighing may also be caused by other reasons, if the symptoms continue to be unable to alleviate, or accompanied by other discomfort, you should seek medical attention as soon as possible, after clarifying the causative factors, to give targeted treatment.