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Can you sleep on your hair wet without it turning into an overnight disaster? How bad it is really to sleep on wet hair?
We’ve all been there, you’ve had a long day at the office, went straight to after-work drinks, and by the time you get home its 11 pm and you need to wash your hair before bed but you don’t have the time to blowdry or airdry. Surely one night every now and again of sleeping on wet hair won’t hurt, right? You jump in the shower, rough dry your hair with your towel and jump into bed vowing to “deal with it” in the morning. Some people actually plop overnight or leave their hair masks or treatments overnight with no intention of washing it out again the next morning.
The nightmarish reality of sleeping with wet hair often means waking up with flat, frizzy, fluffy, crumpled hair that can take forever to tame. Curls are crushed, straight hair is squashed and it can be a nightmare to get unruly frizz back under control.
So can you sleep on your hair wet without it turning into an overnight disaster? While it’s not a good idea and not something you should do on a regular basis, there are a few tricks to minimising the damage.
Note – this is only for emergencies and we don’t generally recommend sleeping with wet hair.
Look, it’s not the best idea. Wet hair is hair in its most fragile state. When your hair is wet, the water molecules cause your hair strands to swell which weakens the internal structure. This makes your hair much more susceptible to breakage. If you’re a restless sleeper, and you move around a lot during the night, this will cause your hair to become tangled and knotted. You’ll also lose a lot of curl as your hair will flatten, so you’ll have a strange mane of perfect curls, some flat curls, or strange kinks. It’s gonna be a mess! So while sleeping with wet hair might not be putting extra strain on your hair per se, sleeping with your hair wet loose can cause more tangles and knotting.
1. Don’t go to bed with dripping wet hair. When we say wet hair, we mean damp, towel-dried hair. You should at the very least, towel dry, air dry or blast your hair with a hairdryer on a medium setting to get some of the excess moisture out of it. The drier it is, the less damage it is susceptible to. Going to bed with soaking wet hair will just mean your pillowcase will absorb all the excess moisture. This, plus the warmth of the environment makes it the ideal place for bacteria to breed. This can lead to skin issues, dandruff, scalp dermatitis and fungal infections if you sleep with your hair wet night after night, which can even lead to hair loss.
2. You should either braid your hair, or plop it – depending on your hair type and style. Check out our full guide to hair plopping like a pro. Ensure that your plop / t-shirt isn’t too tight, as you’re already going to lose some curl with your flattened state overnight.
3. Treat your hair while it’s wet. May as well, right? Add a nice leave-in conditioner or oil to your hair before bed. Ensure that it is a LEAVE IN product and not a regular conditioner. You don’t want to fry your hair overnight, so ensure that the product you’re using is designed and made specifically as an overnight product. If the product says to wash it out after 5 minutes or even 30 minutes, don’t use it.
4. Use an anti-frizz product. You’re bound to pick up some frizz during the tossing and turning. Even the most peaceful sleepers move around during the night, so ensure that the product you’re using either contains an anti-frizz ingredient, or apply one on top of your other leave-in product/s.
Once you have applied your leave-in treatment, prep your hair for sleeping in a protective style that works for your hair type, and for the result you’d like in the morning. This will prevent it from getting tangled overnight. Loose french or dutch braids, two-strand twists and buns are the most popular. Remember to use fabric hair ties or silk scrunchies as these will be gentler on your hair. and won’t leave any marks or dents in your hair. Finally, investing in a silk hair wrap or silk pillowcase to reduce the friction against your hair. This will help to keep your hair in place overnight and reduce frizz.
This is a great option for longer hair! If you want soft waves that make it look like you spent the day on a beach, apply a mousse to your hair from roots to tip, and then split your hair into two sections. Braid each section and secure it with snag-free bands. Loosen the braids a little by pulling them apart. In the morning, unravel the braids and run your fingers through your hair until you get it where you like it. Set with a sea salt spray.
We’re not talking about the ‘mommy pineapple bun’. We’re talking about the famous ballerina-bun. The bun is a tried and true practice for giving you easy volume and a soft wave, as well as protecting fine hair. The best way to do the bun is to pull your hair back as you would for a ponytail, and then twist it around itself. Secure it with a scrunchie and a few bobby pins depending on the length of your hair, and then cover your head with a silk wrap to keep it in place.
A not-so-secret curly girl method to keeping your curls looking their best. Flip your hair over and pile it on top of your head. Wrap everything tightly with a microfiber towel, and secure it with a fabric hair tie or scrunchie if needed. In the morning, release your hair and fluff. Avoid using a brush as this can cause your hair to frizz. This method isn’t well-suited for those with long, thick hair.
If you have tried one of these methods and your hair is completely unruly or too flat in the morning, you can spritz it with a water bottle to get it slightly damp, then try the root clipping method and let it dry again. Again, don’t do this often as it can lead to hygral fatigue.
Yes you can. However, whether your pillowcase is silk or cotton, going to bed with wet hair can attract bacteria. If your silk pillowcase absorbs some of your hair product, you can wash this out as easily as a cotton pillow case in most cases, but keeping in mind that silk is more delicate than cotton. If you are going to bed with damp hair, a silk pillowcase will help with minimising the amount of frizz that this will cause.
In short, no. Despite the myths, going to bed with wet hair will not cause a cold. This stems from the idea that you can catch a cold by physically being cold. But, to get sick or get a cold is the result of exposure to a virus or viral infection, so sleeping on wet hair won’t give you a cold. However, hair experts agree that it’s always best to sleep with thoroughly dried hair to protect your strands. If you prefer to sleep with wet hair, apply a leave-in treatment to treat your hair while you sleep, then wrap it with a protective fabric or style it in a braid to prevent potential damage.
If you are washing your hair earlier on in the day, but ending up going to bed with wet or damp hair, here are a few reasons why your hair might be taking too long to dry.