A bed jacket is a type of clothing designed for comfort while sleeping or lounging. However, there are other terms used to refer to this article of clothing, including a housecoat, dressing gown, robe, or bathrobe. These synonyms may vary in style and material, but all serve the same purpose of providing relaxation and warmth. The term bed jacket is commonly used in hospitals, while housecoat and dressing gown are more often used in the home setting. A robe or bathrobe is a more casual alternative, commonly worn after a shower or at home to stay comfortable. No matter what it's called, this clothing item is a staple in any cozy wardrobe.