Cozy: 1 Snug, comfortable and warm. 2 Marked by friendly intimacy. The definition of coziness – and more importantly, the experience, is what everyone loves. This is the feeling we had when our parents tucked us into bed at night as a child.

There are two main reasons why using a blanket helps us sleep well – even in summer. According to The Healthy, our body temperature drops before and during sleep. Also, “once you reach the rapid eye movement (REM) sleep cycle your body loses its ability to regulate its temperature. "