While crying is an important tool of communication for newborns, there are other signs to watch for. For example, a baby who’s too hot will be restless and uncomfortable, writes Dr. Harvey Karp, author of The Happiest Baby On The Block and founder/creator of The SNOO. Babies are more likely to cry when they’re hungry than hot, but there are other things to watch for, like rooting, sucking on hands or even clenched hands.
Source: https://www.sheknows.com/
