“zDen really blocks out the light, is very roomy, and helps us wake very refreshed, especially if you work 3rd shift and sleep during the day.” — Matt V.

“As a registered nurse, having to work on-call shifts regularly, sleeping early in preparation for being up all night can be challenging. The zDen really facilitates a sound sleep. I can tune out, fade out, and truly rest. The quality of my sleep has improved and my level of focus during my awake hours has too.” — Chris, RN

“As an inpatient healthcare worker, I work variable day and night shifts, which create challenging sleep patterns. zDen enables me to optimize my resting time, so I have a better work-life balance.” — Kristin E.

“I received my zDen and your invention is exactly what I was looking for. Many people work off-shifts and light is a major factor that throws off circadian rhythm. You nailed the specifications.” — Diane F.

“With zDen, I am able to nap better in the middle of the day. I can fall asleep faster, so my 15-minute power nap is more productive and I wake up more refreshed.” — Craig

“This product is a lifesaver. Block out light at any time and any place. I suffer from migraines and this product is so helpful.” — Tienne L.

“Being someone who has always had a hard time falling asleep due to light sensitivity, zDen was a game changer. Not only do I fall asleep quicker, if I wake up in the middle of the night, I am able to return to sleep more quickly because of the dark environment.” — Jennifer P.

“My daughter (11) deals with chronic headaches and I’ve been allowing her to use my zDen to relax and help with light sensitivity. She said it has helped tremendously.” — Parent review

“zDen helps me relax when I am suffering from headaches, migraines, or just need to tune out from my surroundings. It is very dark, comfortable, and easy to use.” — Customer review

“It does a perfect job of keeping out charger lights and early morning sunlight. Definitely helps with falling back asleep after waking up in the middle of the night as it’s pitch black inside.” — Liam

“Your DEN has become my lifesaver, completely protecting me from any cold air blowing directly at me, better sleep and no worries about getting a cold.” — Max

“Love zDen. I’ve used it at home and on the road when I know I need a good night’s rest, especially when I have an important event.” — Jonathan D.

“Eliminating light and creating a dark sleeping environment was always a challenge, and I didn’t like the feeling of a sleep mask. After finding zDen I became a big fan, it effectively blocks out all light distractions.” — Tyson Ross, MLB athlete

“Portable, easy to use, and helpful when sleep environments are unpredictable.” — Customer review

“Working odd hours and living with six roommates with variable schedules does not allow optimal sleep opportunities. zDen allows me to have quality rest so I can perform to my best ability in the classrooms and hospitals.” — Lauren, nursing student

“My husband loves that he can sleep while I watch a little TV.” — Kay K.

“zDen is perfect for when I need sleep, when my roommate is up late, when taking cat naps before practice, or when sleeping at a hotel.” — Megan E., student athlete

“Early morning light is usually blaring through and not allowing me to continue sleeping. zDen helps.” — Jonathan D.

“It’s a lifesaver in my home office. I have small children and sometimes need to work late, zDen helps me keep up with my sleep.” — Ed O.

“So helpful for our kids. Our little ones kept crawling into mine, and sure enough they love sleeping in their zDens.” — Ed, California

“Amazing device that folds flat and helps me nap in the middle of the day. Super comfortable, roomy, and very portable.” — Ed O.

“My son loves it and has improved in school.” — Kay K.

“With zDen, my 15-minute power nap is more productive and I wake up more refreshed.” — Craig

“Quality sleep is one of the most important factors for performance and recovery. zDen effectively blocks out all light distractions.” — Tyson Ross, MLB athlete

“As a student athlete with early morning practices and travel, sleep is very important. zDen is perfect when I need quality rest.” — Megan E., student athlete

“Way better than blackout curtains. zDen is perfect for meditation and sleep especially during the day.” — Aaron C.

“zDen is an amazing tool for enhancing sleep quality. It is lightweight, portable, and effective.” — Dr. Funke Afolabi-Brown, MD, FAASM, Author of Beyond Tired

“We have definitely noticed a difference when he uses the zDen. He sleeps better, feels cozy and safe, and says there are fewer distractions, so it’s easier to get to sleep.” — Parent review