Is It Really That Bad To Sleep With Wet Hair? We Sift Through Myth & Fact (2024)

Beauty

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May 04, 2023

mbg Beauty Director

By Alexandra Engler

mbg Beauty Director

Alexandra Engler is the beauty director at mindbodygreen and host of the beauty podcast Clean Beauty School. Previously, she's held beauty roles at Harper's Bazaar, Marie Claire, SELF, and Cosmopolitan; her byline has appeared in Esquire, Sports Illustrated, and Allure.com.

Risks of sleeping with wet hairWhat the experts sayHow to safely sleep with wet hairFAQ

The takeaway

May 04, 2023

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Night showerers, gather. There's one notorious downside to an evening rinse that many—especially if you have longer hair that takes a while to dry—often complain about: Going to bed with wet hair.

It's a habit born of necessity: Some of us simply cannot wait out the time between our nightly wash and bedtime and thus have to sleep with damp strands. (This is especially true if you air dry and loathe putting a blow dryer to your hair.) And yet, so many still feel somewhat guilty about this hair care habit. I know I do!

Just mentioning that you frequently go to bed with wet hair will trigger terrified faces from most hair stylists: It's something that is widely considered a no-go.

But, c'mon, is it really that bad? And even if it's not ideal for strands, is there any way to make it better for the nights there's really no other option?Or are you—gasp—going to be forced into a life of morning showers for good?

Here, we answer your burning questions.

The risks of sleeping with wet hair:

The reasons that so many stylists advise against the habit is because it comes with several cautions. Let's quickly recap them:

  • The main reason is that the structural integrity of hair weakens when wet, as cuticles naturally lift up when damp, making the hair more elastic, vulnerable, and prone to breakage. So when you toss and turn during rest, it may lead to damage and tangles.
  • Sleeping with wet hair and scalp can cause scalp issues, such as flakes, irritation, itchiness, or even fungal and bacterial infections.
  • It may lead to skin concerns such as scalp and hairline pimples, or even "fungal acne."
  • On an aesthetic level, it likely won't result in the best style—which may mean you use hot tools (more damage) in the morning to fix it.

Is it bad to sleep on wet hair? What the experts say.

OK, so yes, there is truth that sleeping with wet hair isn't the best way to treat hair or skin.

"Simply put, hair is at its most vulnerable when wet. Sleeping with wet hair can lead to a host of problems for the scalp: unwanted bacteria, fungal infections, skin irritation, itchiness, dryness, redness, and dandruff," says hairstylist Miko Branch, co-founder of hair care brand Miss Jessie's. "Also, it can damage the hair cuticle, flatten strands, create an unpleasant hair odor (dampness mixed with natural sweat) and leave you with a matted mess of hair."

Essentially, the most common issue with sleeping with your hair wet is thatit leaves your hair open to damage, tangling, and splits. But may lead to something more serious, such as scalp and skin concerns.

Is sleeping with wet hair bad? Our answer:

So if you are someone who perpetually wakes up to knotted, frizzy, and brittle strands, you may want to quit the night shower. And, too, if you are also someone who suffers from scalp concerns like irritation, flakes, and inflammation, you may also need to reevaluate your habit, as it may be theroot cause you hadn't considered yet.

Are there any exceptions to sleeping with wet hair?

So sounds, ahem, not great. However, most stylists will also agree that there's certainly some nuance here.

"I think something like this is case by case," says hairstylist Marcus Frances, an ambassador for hair care brand Better Natured. "Yes, when the hair is damp it usually is more fragile so the friction against your pillow can, not always, further weaken the hair causing split ends or breakage. But this tends to be a bigger concern for those who already have really damaged hair. If that's not you, you'll probably find you don't run into these issues."

Basically: if you find that it's not messing with your scalp, style, or strands, you can continue as normal, just with a few of these caveats.

How to safely sleep with wet hair.

So you've decided it's not always realistic to sleep on perfectly dry hair; well, there are ways to make sure you are caring for your hair while it's more fragile. Here, expert care tips to make sure your sleeping habits aren't messing with your strands:

1.

Wash less.

One of the easiest ways to limit the amount you are sleeping on wet hair is to wet itless. Now, how much you shampoo your hair is a personal decision influenced by your scalp, hair type, and lifestyle.

For those with textured or curly hair, Branch suggests that you really should be limiting the amount that you get your hair wet.

"Textured hair, in particular, is even more fragile as it tends to be dry. Therefore, curly hair should be washed less often–once or twice a week is perfect–with gentle cleansers and moisturizing conditioners," she says.

2.

Add as much buffer time between your rinse and sleep as possible.

Be honest with yourself: Is the fact that you're going to bed with soaking hair due to the fact that you literally have no other time to shower than right before bed, or is it true that you could have rinsed earlier and just put it off?

If the former: Life happens and so do busy schedules; you'll receive no judgment here. If the latter: Consider inching up your shower into earlier in the evening.

This will give your hair time to air dry, so even if your strands aren't perfectly free of moisture, they're better than sopping wet. "I would love to mention that sleeping with 'wet' hair isn't great, but 'damp' hair, where there is some air and dryness throughout the hair, is fine," says Frances.

Branch agrees: "Always take a few minutes and try to let the hair dry before going to sleep—either air dry (the best dry), use a microfiber towel to blot excess water, or use a diffuser on a blow dryer set to low to get out some of the moisture."

3.

Sleep with a silk pillow, scarf, or cap.

Silk sleeping accessories aren't just luxe-looking (although, they're definitely that too); they can also help keep your strands strong, hydrated, and smooth.

"Sleep with a silk or satin pillowcase, headscarf, or cap, which allows hair to slide as you toss and turn while sleeping. Unlike cotton, silk and satin prevents friction (which leads to hair pulling, tugging, stretching, breaking, and tangling), and these smooth fabrics help retain the hair's natural oils," says Branch.

4.

Apply a leave-in to protect it from physical damage.

One of the main duties of a leave-in conditioner is to protect hair from physical damage. Essentially, they coat the strand with a protective layer of nutrients, oils, and emollients that keep hair from snagging and tangling.

5.

Embrace the bedhead.

One concern is that sleeping on wet hair just means you're waking up to hair that needs to be restyled with hot tools. Not true!

"For someone who likes to keep their natural texture, sleeping with damp hair can actually be great, style-wise. There's something about when you sleep on your hair that creates a more natural version to your texture that is hard to replicate with tools or products," says Frances.

This may just take some experimenting to figure out what products you need to apply and how best to "style it" as you sleep. For example, for those with very loose waves who are looking to amp up texture, using braids may be more beneficial; those with curls may employ the 'plopping method' with a silk scarf or water-wicking T-shirt to really get the hair to spring.

FAQ

Is it bad to sleep with wet hair down?

Hair is more vulnerable when wet, therefore sleeping with wet hair down may result in damage, split ends, and tangles. It may also cause scalp issues, such as flakes and irritation. If you need to wet your hair at night, at least try and dry it slightly so it’s damp—not sopping wet.

What is the healthiest way to sleep with wet hair?

Wash less frequently so you’re sleeping on it wet less often

Towel dry it before bed, so it’s not sopping wet

If time allows, air dry or blow dry until damp

Use silk accessories, such as caps, scarfs, and pillow cases

Use leave-in conditioners to protect the strands

The takeaway

Going to bed with wet hair may not be the best choice for some of us (if you find that you have damage or scalp issues), so in those cases we do recommend figuring out a new wash schedule so your hair is better cared for. However, if you haven't noticed a problem yet, you're probably fine: Just add a few extra hair care steps before you sleep and you'll be good to go. Want help building your hair care routine? Read our all-encompassing guide to crafting a regemen.

Is It Really That Bad To Sleep With Wet Hair? We Sift Through Myth & Fact (2024)

FAQs

Is It Really That Bad To Sleep With Wet Hair? We Sift Through Myth & Fact? ›

Myth busted

Is it scientifically bad to sleep with wet hair? ›

Sleeping with wet hair can lead to increased friction against the pillow, causing breakage and weakening of the hair shaft. Moreover, a moist scalp can be a breeding ground for bacteria and fungus, potentially leading to scalp issues.”

Can you actually get sick from sleeping with wet hair? ›

Wet hair in a cold environment can make you feel cold and uncomfortable. But it will not give you a cold. Viruses transmitted through bodily fluids cause colds, influenza and COVID-19. You need to come into contact with the fluids to be infected by the viruses.

What do people believe about sleeping with wet hair? ›

Despite the belief that sleeping with wet hair can cause health problems, there is little scientific evidence to support this idea. Sleeping with wet hair is unlikely to cause significant health problems for most people, but there are other reasons to reconsider going to bed with wet hair.

How to sleep with wet hair without damaging it? ›

Continuously sleeping with wet hair can lead to increased breakage, frizz, split ends, dryness, dandruff, and various scalp health issues. To mitigate potential damage you can sleep on a silk or satin pillowcase, sleep in a loose braid or bun, or apply leave-in conditioner or hair oil before bed.

What happens if you sleep with your hair wet everyday? ›

The cuticles naturally lift up when wet, making the hair more vulnerable and prone to breakage. There are also scalp concerns associated with sleeping with wet hair like unwanted bacteria, fungal infections, skin irritation, itchiness, dryness, redness, and dandruff.

Is sleeping naked healthy? ›

Sleeping nude can help your core temperature cool faster and lead to better sleep. Sleeping naked may improve health, partner intimacy, anxiety, and self-esteem. When sleeping naked, make sure your bedding is comfortable, the room temperature is optimal, and you prioritize personal hygiene before bed.

Why is it bad to sleep with a bra on? ›

But wearing a poorly fitted bra that's too snug or has wire may keep you from breathing easy while you sleep. “Bras that are too tight or contain underwire may cause you to wake up with some discomfort,” reiterates Dr. Thompson. “Those bras can decrease some of your circulation for the entire time you've been sleeping.

Is it bad to leave your hair wet after a shower? ›

By not drying hair at all after a shower, the water droplets stay in your hair, which makes your hair swell up. This swelling causes damage to the proteins that make up the structure of your hair. When these proteins are impacted, your hair looks and feels rough (cue frizz). Does air drying your hair make it frizzy?

Can wet hair grow mold? ›

There's no evidence that mold can grow on human hair. And despite the claims of some websites, your hair doesn't smell when wet because of mold. But some other fungal infections of the scalp like seborrheic dermatitis may contribute to an odor.

Does going to bed with wet hair cause fungus? ›

Breakage isn't the only issue associated with going to bed with wet hair. “Apart from potential breakage and split ends, going to bed with wet hair can also contribute to the development of fungal infections on your scalp,” says Dr. Anna Chacon, a board-certified dermatologist in Miami, Florida.

Is it bad to sleep with wet hair wrapped in a towel? ›

Bacteria and fungi thrive in warm, moist environments, and that's exactly what you create when you sleep with wet hair. If you can't avoid going to bed with wet hair, try to dry the roots as much as possible, consider using a silk pillowcase or hair scarf, and make sure you're washing your bedding regularly.

Does going to bed with wet hair make it greasy? ›

Going to bed with wet hair can make your hair look greasy when you wake up in the morning. This is because your hair produces an oil called sebum that coats your strands. If you don't have time to dry your hair properly before bed, this sebum will stay on your strands and make them look greasy.

Is there any benefit to sleeping with wet hair? ›

Moisturizes – The moisture from the water can help prevent dryness and breakage, leaving hair feeling soft and smooth. This is particularly true for those with naturally dry or curly hair. Adds volume – When hair is wet, it is heavier and can lie flat against the head.

Is it bad to sleep with socks on? ›

The wrong socks may overheat your legs and cause discomfort,” Dr. Singh says. “It may also cause sweating in between your toes and promote cutaneous fungal infections and irritation.” Lightweight and breathable materials are your best bet if you want to experiment with wearing socks to bed.

How to sleep with hair so it looks good in the morning? ›

Here's what to do: Split your hair into small sections and twist each in circles toward the back of your head to create small mini buns. Secure the knots with hair elastics. Use a stocking or silk scarf to protect your hair while you sleep. In the morning, carefully untwist the knots.

Does going to sleep with wet hair cause dandruff? ›

This can possibly trigger your body into producing more oil to compensate for your scalp drying out. This in turn is more food for the bacteria, which grows faster and leads to dandruff even quicker. So, sleeping with wet hair can aggravate your ailment but isn't the cause of dandruff appearing so often.

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