What Are Pajamas And Nightdresses? What Is The Difference?

Jul 06, 2025

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1. Pajamas: refers to loose clothing worn when sleeping, usually split from top to bottom (top + trousers/shorts), mainly made of cotton, silk, and modal. According to the data of the China Textile Association in 2022, pajamas accounted for 63% of the pajamas market, and became the mainstream choice because of its warmth and convenience.

2. Nightdress: specifically refers to skirt-style sleeping clothing, which is mostly one-piece design, ranging in length from thigh to ankle. According to a report by a certain cat home clothing, women account for more than 85% of nightdress users, and sales in summer are 40% higher than in winter, which is more suitable for people who pursue a cool feeling and easy to put on and take off.

II. What is the core difference?
1. Style design

- Pajamas: Emphasis on functionality, cuffs and trouser legs are often designed to prevent curling, such as Uniqlo's leggings pajamas.

- Nightdress: Focus on aesthetics, often with lace, ruffles and other decorations, such as Victoria's Secret satin suspender nightdress.

2. Applicable scenarios

- Pajamas: Suitable for keeping warm in autumn and winter, when there are elders at home or when living together, to avoid embarrassment of exposure.

- Nightdress: More suitable for private environments such as summer home and couples living together, and can be directly used as home clothes without additional matching after getting up.

3. Cleaning and maintenance

- Silk nightdresses need to be hand washed (water temperature ≤30℃), while pure cotton pajamas can be machine washed, with lower maintenance costs.

3. How to choose? (New extended suggestions)

- For sensitive skin, it is recommended to choose Class A infant standard fabrics without fluorescent agents

- Choose trouser pajamas for frequent nighttime waking up to avoid the risk of tripping over nightdresses

- In air-conditioned rooms, give priority to the combination of long-sleeved nightdresses + split pajamas