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Why does hair tangle so much overnight?

While you sleep, your hair is constantly moving.

Turning your head, shifting positions, even the texture of your pillowcase — it all creates friction against the hair.

Over time, this friction:

- Roughens the hair cuticle

- Causes strands to catch and knot together

- Leads to breakage and split ends

- Creates frizz and dryness

Cotton pillowcases, in particular, are quite abrasive.

They also absorb moisture, leaving hair dehydrated by morning.

So even if your hair is healthy, your sleep environment might be working against it.

Two silk pillows - pink and champagne -  on a bed with white bedding

Switch to a Silk Pillowcase

This is the simplest change — and the one that makes the biggest difference.

Unlike cotton, silk has a smooth, low-friction surface.

Hair glides over it rather than catching and tangling.

Sleeping on a Mulberry silk pillowcase helps to:

- Reduce knots and matting

- Maintain smoother strands overnight

- Prevent unnecessary breakage

- Retain moisture in the hair

It’s essentially creating a gentler environment for your hair to rest in.

Person adjusting a pink silk scrunchie on their hair against a neutral background

Use a Silk Scrunchie - not a Hair Elastic 

If you’re tying your hair up, what you use matters just as much as how you tie it.

Traditional hair ties can:

- Pull on strands

- Create creases

- Cause breakage where the hair is secured

A silk scrunchie reduces that tension and glides against the hair instead of gripping it harshly.

Woman wearing a dusty pink mulberry silk bonnet against a beige background

Consider a Silk Bonnet

If your hair is particularly long, thick, or prone to tangling, a silk bonnet adds another layer of protection.

It keeps your hair contained and reduces movement throughout the night, while the silk lining prevents friction.

This is especially useful if:

- You toss and turn a lot

- Your hair tangles easily

- You’re trying to preserve a blow dry or style