Cosmic patterned Drowsy silk sleep mask on white background

A smiling woman with long blonde hair wears drowsysleepcos Cosmic Energy celestial headscarf and black robe against a dark blue cosmos-themed backdrop—ideal inspiration for restful nights or picking the perfect silk sleep mask.

A woman with curly hair wearing a white button-up shirt models the Cosmic Energy silk sleep mask by drowsysleepco, featuring star and moon patterns, standing before a flowing dark blue fabric backdrop.

A woman with long blonde hair wears drowsysleepcos Cosmic Energy navy turban-style headband, featuring a moons-and-stars pattern. She smiles against a white background—ideal for beauty sleep or pairing with a silk sleep mask.

Wearing the drowsysleepco Cosmic Energy silky navy robe and silk sleep mask, a woman sits sideways on a satin-draped chair, posing with one hand on her chin against a plain white background.

Two women sit back-to-back, smiling in drowsysleepco’s Cosmic Energy navy satin robes and celestial headbands, ready for beauty sleep. A silk sleep mask rests nearby, with soft white fabric draped in the background.

Drowsy Sleep Co. Cosmic Energy sleep mask Box on white background

Rated 4.7 out of 5

Based on 1927 reviews

Cosmic Energy
Silk Sleep Mask

Name: Cosmic Energy
Brand: drowsysleepco
SKU: DROW-COSMIC-MASK
Price: 59.0 GBP
Availability: InStock
Rating: 4.7 (1927 reviews)

Save £10.00

£59

£69

Fast UK shipping · Free easy returns

“No brand has perfected the sleep mask better than Drowsy”
— ELLE

✔︎ Clinically proven to enhance skin*
✔︎ Target fine lines, wrinkles, and dark circles
✔︎ Transform sleep quality
✔︎ Big, squishy, cloud-like padding
✔︎ 100% blackout design
✔︎ 22 Momme, padded mulberry silk

Our Cosmic Energy silk mask is a revolution in rest. Clinically proven to enhance your skin naturally while you sleep. The fully adjustable, blackout design provides the ultimate escape for weary eyes. Drowsy delivers uninterrupted, restorative beauty sleep every night. Wake up every day refreshed and glowing. 100% washable deep blue eye mask with luxury night-sky pattern.

Also available in:

Drowsy Silk White Sleep Mask Pearl Collection Bridal Beauty

The Black Jade by drowsysleepco is a black silk, contoured eye mask with a subtle notch at the bottom center. “DROWSY” is elegantly embossed on the lower left, making it a stylish blackout sleep mask designed for beauty rest.

The Blue Belle silk sleep mask by drowsysleepco features DROWSY embroidery on the side. Shown here in light blue, this blackout eye mask is set against a white background.

The Damask Rose eye mask by drowsysleepco is mauve mulberry silk, features DROWSY embossed on the left and a small notch at the bottom center. Soft, padded, and crafted for comfort.

The Dusty Gold sleep mask by drowsysleepco is a beige silk blackout eye mask with a wide, padded design and small bottom notch—ideal for uninterrupted beauty sleep.

Drowsy Green Sapphire coloured silk sleep mask on a white background

Lavender coloured Drowsy silk sleep mask on white background

The Midnight Blue sleep mask by drowsysleepco features thick, padded sides and DROWSY embroidery on the front. Made from dark blue mulberry silk, it is designed to block out light completely for restful sleep.

The Moonlight Shadow blackout eye mask by drowsysleepco features the word DROWSY embroidered on the left and is displayed against a plain white background.

Pistachio Green Drowsy Silk Sleep Mask 1

Burnt orange coloured Drowsy silk sleep mask on a white background

The Purple Martini silk sleep mask by drowsysleepco features a deep purple shade, wide blackout design, and nose cutout for comfort—perfect for uninterrupted beauty sleep. DROWSY is embossed on the lower left corner.

Light pink Drowsy silk sleep mask on a white background

The Jasmine Jewel Masks by drowsysleepco are brown, padded silk sleep masks designed to block out light and provide comfortable sleep.

*CLINICAL RESULTS

Experience life-changing results on your skin and sleep in under 2 months:

SKIN RESULTS*

60% recorded decrease in fine lines
87% measured reduction in dark circles
112% recorded increase in skin luminosity
60% increase in facial skin hydration

SLEEP RESULTS

70% reported improved sleep quality
83% claimed Drowsy was “life-changing”
76% reported increase in daytime energy

*Based on a study (clinical grading and consumer perception) of 30 women, aged 31-55.

DERMATOLOGIST APPROVED

Dr. Jen Haley - Board Certified Dermatologist.

"By sleeping with a Drowsy silk sleep mask you keep skin protected, moisture levels locked in, and prevent creasing that contributes to aging. As a dermatologist I am very specific about what I recommend to my clients. Drowsy is my go to".

Dr. Elena Dinkollari - Certified Clinical Dermatologist

"Drowsy silk helps reduce the risk of skin irritation or breakouts. By effectively blocking light, it also promotes better sleep quality and, in turn, healthier skin. I recommend Drowsy to all my patients as an essential addition to their routine."

WHY DROWSY?

We’re the original pioneers of beauty sleep, setting the gold standard with our multi-award-winning silk sleep masks. Loved by top beauty editors, featured in global press, and backed by clinical results, Drowsy is the name you can trust for sleep that transforms. With years of experience, unmatched craftsmanship, and a cult following, we don’t just lead the market - we define it. Don’t settle for imitations; choose the brand that started it all.

Cosmic Energy
Silk Sleep Mask

£59

£69

Drowsy-Sleep-Co.-Cosmic-Energy-Sleep-Mask-Model-Sleeping.jpg__PID:a10fc696-8d54-4718-bc0b-f1e058b71c5b

Next-level beauty sleep in total darkness

Sleeping in darkness is the secret to healthy sleep. It helps regulate your body's natural cycles. And permits total relaxation for the mind and eyes. This game changing mask blocks sleep-interrupting light and pillows your eyes with the purest, padded silk.

*Reminder: Check what year it is when you wake up.

"This silk mask is exactly what the doctor ordered"

- VANESSA POWELL -

"The new must-have in the beauty industry"

- HANNAH LYNN TAN -

The word GLAMOUR in bold, black, uppercase letters with a slight shadow effect, displayed on a transparent background.

"The Rolls Royce of the eye mask world"

- JAYNE CHERRINGTON -

"You will be in the land of nod in no time"

- ZAK MAOUI -

"Loved by celebrities and beauty editors alike"

- GRACE LINDSAY -

Transform your life with Drowsy silk

Get all the benefits

Skin

Full-face, silk protection for your skin and eyes. Anti sleep crease.

Hair

Wrap your hair in smooth, gliding silk. Strapless, protective design.

A white four-pointed star shape centered on a solid light blue circle with a white border.

Wellness

Invest in the ultimate addition to your nighttime routine.

So good, you'll never want to take it off

Unlike your average sleep mask, our double lining and fluffy-cloud padding blocks even the tiniest ray of light. The result? A big, squashy, silky retreat from the world, until you're ready to wake up feeling refreshed.