There are several synonyms for the word nightrobe, one of the most common being "nightgown." This term refers to a garment that is typically worn by women to bed, or as lounge wear around the house. Other synonyms include "nightdress," "sleepwear," "pajamas," and "nightwear." All of these terms refer to garments that are comfortable and easy to wear while sleeping or relaxing at home. Some nightwear may be made of lightweight cotton or silk, while others may be made of thicker, warmer materials for colder weather. Regardless of the material, these garments are essential for comfortable and restful nights of sleep.