Itchy Skin at Night: Causes and How to Calm It

Skin itches more at night because the body changes gear after dark: skin temperature rises, the skin loses more water, the body's own anti-inflammatory hormone (cortisol) falls to its lowest point, and there is nothing else to think about. On skin that is even slightly dry, warm bedding and a quiet room turn a faint daytime itch into one that keeps you awake. For most people the cause is dryness, and the fix is a cooler bedroom, a short lukewarm shower and a fragrance-free moisturiser applied within three minutes of drying off, every evening. Itching that spreads over the whole body, comes with a rash, or persists for more than two weeks despite this needs a doctor, because a number of medical causes show up first as itching at night.

Why itching gets worse at night

Doctors call it nocturnal pruritus, and it has several causes working together:

• Warmer skin. Core temperature drops at night but skin temperature rises as blood flows to the surface to let heat out. Warm skin itches more, and a duvet traps the heat.
• More water loss. The skin's barrier is more permeable in the evening, so it dries out faster overnight. Dry skin itches.
• Lower cortisol. The body's natural anti-inflammatory signal is highest in the morning and lowest around midnight, so inflammation and itch are less suppressed at night.
• Fewer distractions. In bed, an itch that went unnoticed all day has your full attention. The itch–scratch cycle is the result: scratching releases histamine and makes the skin itchier.
• Bedding. Wool, synthetic fibres, fabric softener, fragranced detergent and a mattress that is too warm all add to it.

Common causes of itchy skin at night

• Dry skin. The most common cause by far, especially in winter, after hot showers, in a heated bedroom, and from the fifties onwards as the skin makes less oil. Usually no rash, or faint flaking on the shins and forearms.
• Eczema and contact reactions. Red, rough, sometimes weeping patches in the creases of the elbows and knees, the neck or hands; the night itch is a hallmark.
• Hives. Raised pink welts that move around and fade within hours, often worse in the evening.
• Bites and infestations. Bed bugs leave lines or clusters of bites on exposed skin by morning. Scabies causes intense night itching with fine burrows between the fingers and at the wrists and waist, and it spreads to the household; it needs a doctor.
• Hormonal changes. Pregnancy and the menopause both make the skin drier and itchier, with the itch strongest at night.
• Medicines. Opioid painkillers, some blood-pressure tablets, statins and antibiotics can all itch.
• Medical causes. Low iron, thyroid disease, kidney or liver problems, diabetes and, rarely, blood disorders can all present as generalised itching without a rash, typically worst at night. This is why persistent, all-over itching deserves a blood test.
• Stress. Anxiety lowers the itch threshold and makes the night-time cycle harder to break.

How to calm itchy skin at night

1. Cool the bedroom. Aim for 16–18 °C, a lighter duvet, cotton or linen bedding and a breathable sleepwear fabric. Warm skin itches; cool skin does not.
2. Shower short and lukewarm, in the evening, five minutes at most. Hot water strips the oils that hold moisture in and leaves the skin itchier an hour later.
3. Cleanse without fragrance or foam. A cream or oil cleanser on the face, a soap-free wash on the body, and only where needed.
4. Moisturise within three minutes of drying off. Pat dry and apply a fragrance-free cream while the skin is still damp. Look for humectants (glycerin, hyaluronic acid, urea) to pull water in and emollients (shea, squalane, ceramides) to hold it. Shins, forearms and back first; these are where the dryness is.
5. Keep a cool compress or a menthol-free gel by the bed. Ten minutes of cool on an itchy area breaks the urge to scratch. Keep nails short and, if you scratch in your sleep, wear cotton gloves for a week.
6. Change the laundry. Fragrance-free detergent, no softener, an extra rinse, and wash bedding weekly at 60 °C if bites are a possibility.
7. Skip the triggers in the evening. Alcohol, very spicy food and caffeine late in the day all widen blood vessels and warm the skin.
8. Wind down properly. A fixed routine, dimmed light and slow breathing lower the arousal that makes itch louder. People who sleep better itch less, and the reverse.

For the face: a calming NEODERMA routine

Night itching on the face is almost always dryness or irritation, and it responds to a soft cleanse and a cream that keeps moisture in overnight. NEODERMA's formulas for delicate skin are fragrance-light, vegan and sealed airless so they stay intact.

• Cleanse: The Cleansing Milk, a soft, nourishing cleanse for dry and delicate skin.
• Hydrate: Neo-Hydro Moisturizing Face Serum, with saccharide isomerate and hyaluronic acid, on damp skin.
• Night cream: Neo-Sense Night Face Cream, for very dry and delicate skin, helps the skin keep its moisture overnight so it feels supple and comfortable by morning. For skin that is dry rather than delicate, Neo-Hydro Face Cream.

For the body, a plain fragrance-free emollient from the pharmacy is the right tool. Developed in Switzerland · Made in the EU. The Neo-Sense line →

How long does it take?

Itching from dry skin eases within two or three nights of a cooler room and a nightly moisturiser, and settles fully in one to two weeks as the barrier recovers. Itching from a new detergent or product stops within a week of removing it. If two weeks of this makes no difference, the cause is not dryness, and the next step is a doctor rather than a different cream.

When to see a doctor

See a GP if the itching is all over the body with no visible rash, especially with tiredness, weight loss, night sweats, yellowing of the skin or eyes, or changes in thirst and urination; if there is a rash that spreads, blisters, weeps or crusts; if other people in the household itch too; if the itching started with a new medicine; if you are pregnant and itching on the palms and soles; or if two weeks of good skincare has made no difference. Most causes are simple, but the ones that are not are found by a blood test, not by waiting.

Frequently asked questions

Why is my body so itchy mainly at night?

Because skin temperature rises, the skin loses more water, the body's anti-inflammatory hormone cortisol is at its lowest and there are no distractions. Any dryness or irritation that was tolerable by day becomes an itch that wakes you. Dry skin is the usual cause; a cool room and a nightly fragrance-free moisturiser fix most of it.

What are some home remedies for itchy skin at night?

A cool bedroom, a short lukewarm shower instead of a hot bath, a fragrance-free moisturiser applied to damp skin, a cool compress on the itchy area, cotton bedding washed in fragrance-free detergent, short nails, and no alcohol or spicy food in the evening. A colloidal oatmeal bath soothes widespread itching. If none of this helps within two weeks, see a doctor.

What could be causing an itchy rash all over my body?

Hives, a reaction to a medicine, a viral illness, eczema that has flared, a new detergent or fabric, or an infestation such as scabies. A rash that is spreading, blistering or affecting other people in the house, or that comes with fever, swelling of the lips or trouble breathing, needs medical attention the same day.

Why do my legs itch at night?

The shins have the fewest oil glands on the body, so they are the first place dryness shows, and the duvet keeps them warm all night. Moisturising the lower legs every evening solves most of it. Itchy legs with an urge to move them are a different problem, restless legs, and worth mentioning to a doctor.

What is aquagenic pruritus?

Itching, prickling or burning that starts within minutes of contact with water at any temperature, with no visible rash, and lasts up to an hour. It is uncommon and sometimes linked to blood disorders, so anyone who has it should see a doctor for a blood test. Cooler showers, moisturising straight afterwards and antihistamines can help.

Can itchy skin at night be a sign of something serious?

Usually not; dry skin is the common cause. But itching all over, without a rash, that lasts weeks is a recognised early sign of low iron, thyroid, liver or kidney problems and some blood disorders, which is why a GP will order a blood test for persistent generalised itch. The test is simple and most results are reassuring.

Related: Itchy face: causes and what to do · Damaged skin barrier: signs and how to repair it · Heat rash