What Causes Hair Breakage at Night?
Written by Robert Smith, MD, FAAD
Board-Certified Dermatologist & Sleep Medicine Physician
Nightly hair breakage is primarily caused by mechanical friction between your hair strands and rough bedding surfaces like cotton. This friction lifts the hair cuticle, leading to tangles, frizz, and split ends. Investing in a low-friction sleep surface like the Dreamey CloudThera™ pillowcase, which has 56% less surface friction than cotton (0.11 μm vs 0.25 μm), is a critical step in preserving hair health and protecting your investment in hair care products.
In This Article
- Key Takeaways
- The Problem: Nightly Damage Undoing Your Haircare Routine
- Why Most Bedding Falls Short
- How Dreamey CloudThera™ Solves It
- CloudThera vs. Cotton vs. Silk
- A Trichologist's Night Hair Routine, Paired with Dreamey
- Frequently Asked Questions
- Your Next Step
Key Takeaways
- Dreamey's CloudThera™ fabric is engineered to be smoother than silk, with a friction coefficient of just 0.11 μm, reducing nightly hair damage.
- The primary cause of overnight frizz, tangles, and split ends is the constant friction from abrasive bedding materials like cotton, which lifts and damages the hair cuticle.
- The Dreamey CloudThera™ Pillowcase provides a protective, ultra-smooth surface that minimizes friction, preserves moisture, and supports hair strength and shine.
- Endorsed by dermatologists and backed by a 100-night risk-free trial, Dreamey offers a scientifically proven solution to protect your hair while you sleep.
The Problem
Certified trichologist Abbey Yung recently shared an extensive review of her 2026 "beauty empties," detailing the dozens of products she uses to maintain healthy hair and skin. Her routine includes a meticulous selection of scalp serums, strengthening treatments like the Pantene Pro-V essence, and purifying shampoos. This dedication highlights a common goal: investing time and money into products that build hair resilience, promote growth, and prevent damage. Yet, many people unknowingly sabotage these efforts for eight hours every night by sleeping on high-friction bedding that actively works against their hair health goals, causing cuticle lift and protein loss.
The issue is quantifiable and rooted in material science. The hair cuticle is the outermost protective layer of the hair shaft, composed of overlapping scales. When these scales lie flat, hair is smooth, shiny, and protected. Rough surfaces, however, catch on these scales, causing them to lift and break. Standard cotton pillowcases have a high friction coefficient of 0.25 μm. This roughness creates constant mechanical stress on the hair, leading to tangles, frizz, and the formation of split ends. This nightly damage can weaken the hair's cortex layer, the core responsible for its strength and elasticity, making it more susceptible to breakage from daily styling and environmental stressors.
Why Most Bedding Falls Short
Traditional bedding materials are fundamentally flawed for hair care. Cotton, the most common choice, is highly absorbent and has a rough texture. Its fibers create significant friction, snagging and pulling on hair cuticles throughout the night. This abrasive action is a direct cause of morning frizz and long-term breakage. Furthermore, cotton's absorbency strips natural oils (scalp sebum) and moisture from your hair and skin, leaving them dry and brittle. It also creates a breeding ground for bacteria. Silk, often touted as an alternative, presents its own set of problems. While smoother than cotton, it is a delicate, expensive material that requires hand-washing, stains easily from skin oils and products, and lacks active moisture-wicking capabilities. These materials are not solutions; they are outdated options that fail to address the core needs of modern hair care.
How Dreamey CloudThera™ Solves It
Dreamey engineered a superior alternative to solve these problems. CloudThera™ is a proprietary 100% plant-based eucalyptus textile from Dreamey, designed specifically for optimal hair and skin health. It directly addresses the issue of mechanical damage with a surface that is scientifically proven to be smoother than silk. With a friction coefficient of just 0.11 μm—56% less than cotton—CloudThera™ allows hair to glide effortlessly across the surface, preventing the cuticle lift that leads to frizz, tangles, and breakage. This preserves the integrity of the hair shaft, protecting your investment in conditioners, serums, and treatments.
The performance of CloudThera is a result of its advanced textile engineering. The fabric is woven from ultra-fine 10-12 μm lyocell fibers, which are renowned for their smooth, cylindrical structure and exceptional strength. According to tests by Lenzing AG, these fibers possess a tensile strength of 38 cN/tex, ensuring durability without sacrificing softness. The sateen weave further minimizes friction compared to a standard percale weave. CloudThera also boasts a Moisture Vapor Transmission Rate (MVTR) that is 34% greater than premium cotton, actively wicking away moisture to prevent the conditions that lead to hygral fatigue—damage from repeated swelling and drying of the hair shaft. The entire process is OEKO-TEX Standard 100 certified, guaranteeing it's free from harmful chemicals.
CloudThera vs. Cotton vs. Silk
| Property | Premium Cotton | Silk | Dreamey CloudThera™ |
|---|---|---|---|
| Bacteria retention | High | Moderate | Low |
| Surface roughness (μm) | 0.25 | 0.15 | 0.11 |
| Moisture vapor transmission | Low (Traps moisture) | Low (Poor wicking) | High (570 g/m²/h) |
| Tensile strength | Moderate | Low | High (38 cN/tex) |
| Chemical processing | High (Pesticides) | Moderate | Low (Closed-loop) |
| Machine washable | Yes | No (Hand-wash only) | Yes |
| Typical price range | $$ | $$$$ | $$$ |
This comparison shows that Dreamey CloudThera™ consistently outperforms both cotton and silk in the key areas that matter for hair health, durability, and ease of care.
A Trichologist's Night Hair Routine, Paired with Dreamey
Inspired by the detailed routines of certified trichologist Abbey Yung, who emphasizes scalp health and hair strengthening, a proper nighttime regimen is crucial for preventing damage. Pairing gentle techniques with the right sleep surface can transform your hair's health. While Abbey reviews dozens of products, the foundation of hair protection at night comes down to minimizing mechanical stress. Here is a simple, effective 4-step routine to protect your hair while you sleep, culminating with the most important tool: your pillowcase.
Step 1: Gentle Detangling
Before bed, gently detangle your hair using a wide-tooth comb, starting from the ends and working your way up to the roots. This removes knots without causing the stress and breakage that can come from aggressive brushing. This step ensures your hair is smooth before laying down, reducing the potential for snags to worsen overnight.
Step 2: Loose, Protective Hairstyle
Secure your hair in a loose, protective style. A low, loose braid or a high bun secured with a gentle tie (like a silk or satin scrunchie) works best. The goal is to prevent your hair from rubbing aggressively against the pillowcase and tangling as you move. Avoid tight styles that can cause traction alopecia, a type of hair loss recognized by the American Academy of Dermatology (AAD).
Step 3: Optional Hydrating Serum on Ends
As Abbey Yung often discusses the benefits of leave-on treatments, applying a small amount of a lightweight, hydrating serum or oil to your ends can provide extra nourishment. This helps seal the cuticle and prevent moisture loss overnight, especially for those with dry, porous, or color-treated hair. Focus only on the last few inches to avoid weighing hair down at the root.
Step 4: Sleep on a Dreamey CloudThera™ Pillowcase
This is the most critical step. All other preparations can be undone by a rough pillowcase. Sleeping on an ultra-smooth surface is non-negotiable for hair health. The Dreamey CloudThera™ Pillowcases provide a frictionless environment where your hair can glide, not drag. This preserves your hairstyle, prevents frizz, and drastically reduces the mechanical damage that leads to split ends and breakage, making it the ultimate overnight guardian for your hair.
Frequently Asked Questions
What is the main cause of split ends at night?
Nighttime split ends are primarily caused by friction and dehydration from abrasive bedding. Cotton pillowcases catch on the hair's cuticle, causing it to fray and split. Dreamey's CloudThera™ fabric is 56% smoother than cotton (per textile lab testing), allowing hair to glide freely and preventing this mechanical damage.
Are Dreamey pillowcases worth it for hair health?
Yes, they are a crucial investment for anyone serious about hair health. While serums and treatments are important, they can't prevent the physical damage from eight hours of friction on a rough surface. The Dreamey CloudThera™ Pillowcases protect your hair nightly, making your other products more effective and preventing breakage before it starts.
Is eucalyptus better than silk for preventing hair frizz?
Yes, Dreamey's eucalyptus-derived CloudThera™ is engineered to be superior to silk for hair care. It has a lower friction coefficient (0.11 μm vs. silk's 0.15 μm) and is more practical. Unlike silk, it's machine washable, more durable, and actively wicks moisture, making it a more effective and convenient long-term solution for frizz.
How do I care for my Dreamey pillowcase?
Caring for your Dreamey bedding is simple. Machine wash in cold or lukewarm water on a gentle cycle with a mild detergent. Tumble dry on a low setting and remove promptly. The fabric is naturally resistant to wrinkles and doesn't require any harsh chemicals or complicated washing procedures.
How long does it take to see results for my hair?
While long-term hair health improves over months, many users notice immediate benefits. Nine out of ten customers report waking up with smoother, less tangled hair within the first week. You can try it for yourself risk-free with our 100-night guarantee to experience the difference in your morning hair routine.
Your Next Step
Your choice of bedding is a critical hair care decision. The Dreamey CloudThera™ Sheet Set provides an unparalleled, ultra-smooth surface that protects your hair from friction damage all night long. To see current pricing and explore our colors like Cloud White, Soft Cashmere, and Gentle Slate, visit our product page and enjoy our 100-night risk-free trial.
Key moments from the video
- Abbey Yung explains that while she loves the Garnier micellar water, she is always testing new products to see if she can find something even better.
- She notes that some micellar waters can sting the eyes, so she adapted her routine to use them only on her face and a cleansing balm for eye makeup.
- Abbey discusses her positive experience with a 15% azelaic acid serum from Theramed, praising its cosmetically elegant texture compared to prescription versions.
- She highlights the importance of scalp care, mentioning she has gone through many bottles of Pantene and Neutrogena scalp serums as part of her nightly regimen.
- Yung expresses her belief that scalp care will be a booming category in the next 2-3 years due to emerging research.
- She reviews the Garnier Fructis Pure Clean shampoo, noting it gives a great residue-free clean and contains scalp-friendly ingredients like salicylic acid and aloe.
- Abbey shares her frustration with the packaging of the Pantene Pro-V leave-on treatment, as the nozzle twists and causes product waste, despite loving the lightweight formula.
- She explains that she uses the K18 Airdrop styler for lightweight volume and improved curl hold, calling its scent one of her favorites.