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sleeping with wet hair? here's what you need to know...

Posted by Lorraine Lea on Jul 25, '17

Ever been told that sleeping with wet hair will make you sick?

It’s a common idea, and something most of us were probably warned about as children, but is there any truth to it? 

The notion that your body’s physical temperature can increase your chances of contracting a cold has been around for years. Fortunately for those who are a little slack with the hair dryer at night, there’s not a whole lot of scientific proof to support this theory.


The common cold is a virus, and is transferred between people when they cough, sneeze or blow their nose. Bugs like this run rampant in the winter months, so it’s easy to understand the association between being physically cold and feeling a bit under the weather.  

There are some studies which suggest feeling chilly can amplify cold-like symptoms and make you more susceptible to viruses, but it’s not the direct cause of sickness.

While it may not make you ill, there are some other very good reasons why you shouldn't make a habit of going to bed with wet locks:

  1. You’ll feel cold. Going to bed with a wet scalp will mean losing a lot of heat energy from your head. This will reduce your overall body temperature, making you feel colder during the night. When your body is cold, you won't be able to sleep comfortably, so to combat this, make sure your room is well heated. 3-8.jpg
  2. Bacteria will grow in your pillow. Going to bed with wet hair creates a damp, humid environment in your pillow: the perfect conditions for nasty bacteria to grow. This bacteria can aggravate allergies and lead to infections. Make sure you’re always using a pillow protector to shield your pillow from moisture, dead skin and oils, and remember to wash it frequently.2-7.jpg
  3. You’ll experience hair breakage. Sleeping with wet locks affects the strength of your hair. Hair is at its weakest when it’s wet, so going to bed with sodden hair and tossing and turning at night can lead to breakage. This can be a real issue if it’s something you’re doing frequently. Make sure you start using leave-in conditioner or protective serums on your wet locks to nourish and protect them. 4-5.jpg
  4. You’re guaranteed a bad hair day. There are some obvious, cosmetic reasons not to sleep with soaking-wet tresses. Not only will it dry unevenly, but you’ll wake up with a frizzy, tangled, unmanageable mess in the morning. Guaranteed to take twice as long as usual to tame.  A good way to avoid this is to swap your cotton pillowcase for a satin one. Satin is a much smoother fibre and will work against frizzy hair.

Confession time! Are you guilty of going to bed with wet hair? 

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