I'm still struggling with what to put my 3 month old baby in at night. Our house temp has a big range since we don't have central air. Sometimes it's 78 when we go to bed and 69 by morning. I've been driving myself nuts trying to keep it around 70-72 for baby by opening and closing windows all night instead of sleeping. I feel her constantly too on her chest and neck to see if she's too warm. I usually put her in a long sleeve onsies or footies and then in her sleep sack. What temperature is your house and what do you put baby to sleep in?