Due to a combination of factors, it's not uncommon to experience allergy flare-ups at night. Especially if you have seasonal allergies, symptoms might make it nearly impossible to sleep. Factors such as sleeping position and indoor irritants such as pet dander and dust are common reasons allergies can feel worse at night.

Click on to learn more about nighttime allergy symptoms, how they affect sleep, how to treat them, and when to see a healthcare provider.

0 / 28 Fotos

Sleeping position -

Lying down increases your nasal congestion and stuffiness due to postnasal drip, which is when mucus drips from the nose down the back of the throat.

1 / 28 Fotos

Sleeping position -

When you have allergies, this can lead to irritation in your throat, coughing, difficulty breathing, and other symptoms that can prevent a good night's sleep.

2 / 28 Fotos

Dust and mold -

Your allergies might feel worse at night when you add indoor triggers into the mix.

3 / 28 Fotos

Dust and mold -

Water damage can lead to mold growing inside walls, and many older homes have buildups of mold, dust, and other allergens in the walls or floorboards.

4 / 28 Fotos

Humidifiers -

Many people with allergies might find humidifiers helpful for dry sinuses. However, humidifiers can increase the production of dust in the air.

5 / 28 Fotos

Humidifiers -

Additionally, mold can grow in humidifier filters if they're not changed regularly.

6 / 28 Fotos

Sleeping with a pet nearby -

Pet dander, the skin cells your pet sheds, is another common indoor allergen.

7 / 28 Fotos

Sleeping with a pet nearby -

Pet dander remains in the air longer and can accumulate on your carpet or comforter.

8 / 28 Fotos

Indoor pollen -

If it's not the indoor allergens making your symptoms worse, it could be the pollen you unknowingly brought inside.

9 / 28 Fotos

Indoor pollen -

Also, if your pet has been outside, they'll likely pick up some pollen during their adventures.

10 / 28 Fotos

How allergies impact sleep -

Even if you have daytime allergies and no issues with nighttime allergies, allergies can still impact your sleep.

11 / 28 Fotos

Symptoms can make it difficult -

Symptoms like sneezing and sniffling can make getting a good night's rest difficult.

12 / 28 Fotos

How to calm allergy symptoms at night -

The following tips can be helpful to relieve allergy symptoms that are worse at night.

13 / 28 Fotos

Dust or mold in the bedroom -

Ditch carpeting or vacuum it frequently. Also, use dust mite covers for mattresses.

14 / 28 Fotos

Change bedding -

Regularly change and wash bedding in hot water to kill allergens. It's best to do so weekly.

15 / 28 Fotos

Sleeping position -

Adding some extra pillows might help ease congestion and post-nasal drip while you sleep.

16 / 28 Fotos

Humidifiers -

Consider leaving your humidifier off or cleaning it regularly if you plan to use it.

17 / 28 Fotos

Use HEPA purifiers -

Consider using high-efficiency particulate air (HEPA) filters to remove airborne allergens.

18 / 28 Fotos

Dehumidifiers -

Keep the humidity in the home below 50%, particularly in the bedroom. If there's an adjoining bathroom, run a fan for at least 15 to 20 minutes after showering.

19 / 28 Fotos

Pets -

Instead of having your pet sleeping in the same room, find a different place for them to sleep outside the bedroom.

20 / 28 Fotos

Take a shower -

Pollen can linger on your skin, hair, and clothing. Therefore, before bed, shower and put on clean pajamas.

21 / 28 Fotos

Close your windows -

Also, sleep with closed windows to minimize how much pollen enters your sleeping area.

22 / 28 Fotos

Nasal irrigation -

Use saline nasal sprays or irrigation systems to clear nasal passages before bedtime.

23 / 28 Fotos

Allergy medications -

Over-the-counter or prescription antihistamines and decongestants can help relieve symptoms.

24 / 28 Fotos

Sleep apnea and allergies -

Allergies don't cause obstructive sleep apnea (OSA), but they can increase symptoms in patients who already have this disorder.

25 / 28 Fotos

Time of day that allergies peak -

A person may have more issues with allergy symptoms during certain parts of the day, depending on their allergy type. But if your allergens are indoors, chances are symptoms get worse in the early evening onwards.

26 / 28 Fotos

When to see a specialist -

If nighttime allergies persist despite self-care measures, or they significantly impact your quality of life, it's time to consult an allergist or immunologist.