Nightwear is not limited to pyjamas. It also includes nightdresses, slips, robes, bodysuits and more decorative sets. Some styles are designed mainly for sleeping, while others are better suited to relaxing or spending an evening together. Here are the main differences and the details worth checking before you buy.
At a glance
- Pyjamas offer more coverage and are practical for wearing around the house.
- A nightdress has no waistband and allows more freedom of movement.
- A robe is worn over pyjamas, a nightdress or a bodysuit.
- Bodysuits and lace sets are more often chosen for the evening than for sleeping all night.
- Comfort depends mainly on the size, fabric, length and absence of rigid details.
What is nightwear?
Nightwear includes garments worn for sleeping, relaxing or spending time in the bedroom. It can have a simple, loose cut or a more decorative design with lace, mesh, a satin finish or decorative straps.
The main types include pyjamas, nightdresses and slips. A robe is an additional layer worn over them. Bodysuits, corsets and sets with suspenders sit somewhere between nightwear and sensual lingerie.
The women’s nightwear category can therefore include a simple satin nightdress, a sheer set or a lace bodysuit. The appearance of a garment alone does not tell you whether it will be comfortable to sleep in.
Types of women’s nightwear
Different types of nightwear vary in construction, coverage and intended use. The table below gives a quick comparison of the main options.
| Type | Construction | Best use | Possible problem |
|---|---|---|---|
| Pyjamas | Top with trousers or shorts | Sleep, relaxing, mornings at home | A tight waistband or legs that ride up |
| Nightdress | One-piece, loose or fitted design | Sleep, warm nights, evenings | Fabric riding up over the hips |
| Robe | Loose layer fastened with a belt | Mornings, after a shower, travel | A slipping belt or sleeves that are too wide |
| Nightwear set | Top and shorts, sometimes with a robe | Sleep, relaxing, travel | Not every set is suitable for sleeping |
| Bodysuit | Fitted one-piece design | Evenings or wearing under clothes | A body length that is too short or an uncomfortable fastening |
| Lace lingerie set | Bra, knickers, straps or stockings | Special occasions | Rigid details and limited adjustment |
Women’s pyjamas
Pyjamas consist of two pieces. The top may be a camisole, T-shirt, sweatshirt or button-up shirt. The bottoms may be shorts or long trousers.
Pyjamas provide more coverage than a nightdress. They are therefore practical for moving around the house, sharing a room while travelling or having breakfast without getting dressed straight away.
What to check before buying
The waistband should not press firmly into the tummy. The trouser legs should not slip under the feet or twist around the calves.
For warmer nights, a set with a top and shorts may feel more comfortable. Check that the hems of the shorts do not ride up on the thighs.
If you prefer a relaxed fit, consider a relaxed two-piece pyjama set. A looser cut is generally more practical for sleeping than a very close-fitting set.
Styles with long trousers and a shirt-style top work well on cooler nights, in air-conditioned rooms and during hotel stays. You can compare more options in the collection of women’s pyjamas.
Nightdress and slip
A nightdress is a one-piece garment without a waistband. It may resemble a loose dress, a slip or a longer camisole. A slip is usually lighter, shorter or more fitted than a traditional nightdress.
This style suits people who find trousers, shorts or elastic around the tummy uncomfortable at night. The garment should not be too tight over the hips, as stretched fabric is more likely to ride up while you sleep.
A lace-strap nightdress takes up little space in a suitcase and can work well on warmer nights. Check that the lace does not rub under the arms and that the straps remain in place.
Styles with a more structured upper section may support the bust better. They can, however, feel less comfortable when sleeping on your side or front.
For regular sleeping, choose a nightdress without rigid underwires, metal details or tightly tensioned straps.
You can compare short, long, satin-style and lace designs in the collection of women’s nightdresses.
Robe and kimono
A robe is worn over pyjamas, a nightdress, a bodysuit or ordinary underwear. It is useful in the morning, after a shower or while travelling, when you want extra coverage without putting on daytime clothes.
A comfortable robe should have:
- a belt that stays inside its loops,
- sleeves that do not get in the way when washing your hands or preparing breakfast,
- a length suited to your height,
- fabric that does not constantly slip from the shoulders.
A satin women’s robe is light and easy to wear over a nightdress or lingerie set. Its smooth surface may, however, slip more easily than a matt fabric.
You can compare short, long, satin-style and lace options in the collection of robes and kimonos.
Nightwear sets
A nightwear set may consist of a top and shorts, a nightdress with a robe or several pieces completed with knickers, stockings or an eye mask.
A nightwear set is not always a pair of pyjamas. A soft top with loose shorts may be suitable for sleep. A sheer mesh set with underwires, straps and suspenders is intended mainly for the evening.
A matching nightdress and robe set creates a coordinated outfit for the evening and the following morning. The length of the nightdress and the measurements of the robe should still be checked separately.
A seven-piece satin pyjama set contains several items that may serve different purposes. Before buying, check which pieces are intended for sleeping, relaxing or creating a more decorative evening look.
Lace bodysuit
A bodysuit fits closely around the torso and usually fastens at the crotch. It does not ride up at the waist, but its length must suit your body.
- A bodysuit that is too short pulls at the crotch and shoulders.
- A bodysuit that is too long gathers around the tummy and back.
- Cups that are too small cut into the bust or allow it to spill out at the sides.
A bodysuit can be worn under a robe, paired with stockings or styled under a blazer. A design with underwires, metal adjusters and decorative straps will not necessarily be comfortable for sleeping.
A lace bodysuit should not be confused with shapewear. Its purpose depends on its construction, fabric and level of support.
How should you wear nightwear?
There is no single correct way. The choice depends on the garment, the temperature, the situation and your personal habits.
Simple guidelines
- Pyjamas and nightdresses can be worn directly against the skin or over knickers.
- A bra is not necessary unless you prefer additional support.
- A robe can be worn over pyjamas, a nightdress, a bodysuit or ordinary underwear.
- A bodysuit may be reserved for the evening or used as part of a daytime outfit.
- Stockings should be attached after the suspender belt or bodysuit has been positioned correctly.
Should you wear knickers under a nightdress?
You can, but it is not compulsory. Some women prefer to sleep without an additional layer, while others always wear knickers under their pyjamas or nightdress.
For sleeping, choose a style without very tight elastic, thick seams or numerous decorative straps. The guide to choosing knickers for different outfits and occasions explains how different cuts suit different uses.
Should you wear a bra under pyjamas?
It is generally unnecessary. If you prefer light support, choose a soft wireless bralette or a nightdress with a lined upper section.
A rigid bra can feel uncomfortable during sleep, particularly when lying on your side or front.
Nightwear for sleeping or for the evening
Nightwear intended for sleep should allow you to change position freely. A garment chosen for the evening may be more fitted, sheer or decorative because it does not need to remain comfortable throughout the night.
For sleeping
- loose pyjamas,
- a nightdress without underwires,
- a soft top-and-shorts set,
- flat seams,
- no heavy decorations.
For the evening
- a lace bodysuit,
- a sheer nightdress,
- a set with stockings,
- a corset or suspender belt,
- decorative straps and cut-outs.
One garment does not have to serve both purposes. You can wear a satin lace-trim nightwear set for the evening and change into more comfortable pyjamas before going to sleep.
Nightwear fabrics
Comfort depends on the composition, thickness, elasticity and finish of the fabric. The name of the material alone does not always tell you whether a garment will suit summer or winter.
Cotton
Cotton is often chosen for everyday pyjamas. A thin knitted fabric will, however, behave differently from a thick, heavy material.
Check the full composition. The description “cotton pyjamas” does not always mean that the garment contains 100% cotton. Elastane adds stretch, while synthetic fibres may reduce drying time.
Satin
Satin is not a specific fibre. It describes the way the fabric is woven. Satin can be made from silk, polyester or other fibres.
Satin does not mean silk.
If you want a particular material, check the fabric composition rather than relying on the product name.
The smooth surface moves easily against bedding but may be prone to snagging. Take care around rings, broken nails, zips and hook-and-loop fastenings.
Lace and mesh
Lace is primarily decorative. It may be soft and stretchy or more rigid around the edges.
The most sensitive areas are:
- under the arms,
- around the cup edges,
- at the groin,
- around the bodysuit fastening,
- at the ends of decorative straps.
A size that is too small stretches lace or mesh too tightly and may distort the pattern.
How to choose the right nightwear size
Pyjamas can have a little extra room. A nightdress fitted around the bust and a bodysuit require more precise measurements.
Before buying, measure:
- the fullest part of the bust,
- the underbust for a structured top,
- the natural waist,
- the fullest part of the hips,
- the torso length for a bodysuit,
- the length of the nightdress or trousers.
Do not choose a smaller size simply to make the garment emphasise the body more strongly. Overstretched lace loses its pattern, straps begin to mark the skin and a nightdress rides up over the hips.
One-size garments also fit within a defined measurement range. Always check the listed measurements and, if the garment has cups, the maximum bust size it is intended to accommodate.
The same principles of support, adjustment and proportion also apply to swimwear. The guide to choosing the right bikini for your figure gives further examples of details worth checking before buying.
Nightwear for summer and winter
| Season | A practical choice | What to avoid |
|---|---|---|
| Summer | Strappy nightdress, loose shorts, lightweight top | Very close-fitting garments and too many layers |
| Winter | Long trousers, long sleeves, robe | Very thick pyjamas under a warm duvet |
In summer, a slightly looser nightdress may be more comfortable than a very short but tightly fitted one. In winter, layers are practical. You can combine lightweight pyjamas with a robe and remove it before going to bed.
How to wash nightwear
Always start with the care label. The symbols show the permitted washing, drying and ironing temperatures.
- Wash lace and mesh inside a protective laundry bag.
- Fasten hooks and other closures before putting garments in the washing machine.
- Do not wash satin with garments that have hook-and-loop fastenings or sharp zips.
- Do not wring lace after washing.
- Do not hang a wet nightdress from one thin strap.
- Check the label before using a tumble dryer.
Delicate nightwear does not always have to be hand washed. If the manufacturer allows machine washing, choose a low temperature, a gentle spin speed and a protective laundry bag.
Common mistakes
Choosing only from the product photo
A garment may look perfect while you are standing but feel tight, ride up or move when you sit or lie down.
Treating every bodysuit as sleepwear
A crotch fastening, underwires and metal adjusters can make sleeping uncomfortable.
Confusing satin with silk
Satin describes a type of weave. The fibre composition must be checked separately.
Ignoring the length
A nightdress that is too short rides up over the hips. Pyjama trousers that are too long slip under the feet.
Choosing a size that is too small
Stretched lace loses its pattern and straps begin to dig into the body.
Buying one garment for every purpose
Evening lingerie does not have to be comfortable enough for sleeping. Everyday pyjamas do not need to replace a more decorative set.
FAQ
Are a slip and a nightdress the same thing?
Both are one-piece garments worn at night. The word “slip” usually refers to a shorter, lighter or more fitted design than a traditional nightdress.
Should you wear knickers under a nightdress?
You can, but it is not compulsory. The choice depends on your comfort, the cut of the nightdress and your personal habits.
Do you need to wear a bra under pyjamas?
No. If you prefer light support, choose a soft wireless bralette or a nightdress with a lined upper section.
Is a lace bodysuit classed as nightwear?
It may be included within the broader nightwear category, but it is more commonly worn in the evening or as part of an outfit. Not every bodysuit is suitable for sleeping.
What nightwear is best for summer?
A loose strappy nightdress or pyjamas with shorts are often comfortable choices. The composition, thickness and fit of the fabric matter as much as the length.
What is the difference between pyjamas and a nightwear set?
Pyjamas are designed mainly for sleeping. A nightwear set may also include a robe, knickers, stockings and decorative pieces, so it may not be suitable for wearing all night.
Women’s nightwear at Pelie.co.uk
A nightwear wardrobe can include comfortable everyday pyjamas, a more elegant nightdress, a robe and a lace bodysuit. Each garment serves a different purpose.
Before ordering, check the cut, fabric composition, length, size guide and care instructions. At Pelie.co.uk, you can compare pyjamas, nightdresses, robes, bodysuits and coordinated sets with different levels of coverage.
Bibliography
- Li X. et al., How do sleepwear and bedding fibre types affect sleep quality.
- Chow C. M. et al., The impact of sleepwear fiber type on sleep quality under warm ambient conditions.
- Troynikov O. et al., Sleep environments and sleep physiology.
- Encyclopaedia Britannica, Textile. Basic weaves.
- GINETEX, Care symbols.

