If you have a KELVIN night light or are thinking about getting one, chances are that you're looking to monitor your nursery or kid's room's temperature. That's great! Worrying about whether your child is too hot or cold can be nerve wracking, especially if it's an infant. Babies can't verbally express to us whether they're uncomfortable so it can take some practice. Here are some tips to make you feel more confident about your baby's comfort level.