This often happen at night when we are putting them to bed. (themilkmeg.com)
A unique air cooling system blows in cool air from outside when the temperature drops below 50 °F (as often happens at night). (insteading.com)
Help your child get dressed in their favorite pajamas after a bath, brush their teeth, and get in the habit of this is what happens at night before bed. (swanling.com)