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one size fits all.

facial hair friendly.

elastic & non-restrictive

breathable & comfortable

secure hold, easy removal.

gentle & hypoallergenic.
when you breathe through your nose, your tongue naturally rests on the roof of your mouth - which helps shape the muscles of your face over time. this small shift in habit can lead to a more defined jawline and stronger facial symmetry, especially when practiced consistently. mouth taping reinforces this positioning overnight by keeping your mouth closed, which helps guide proper muscle engagement, jaw alignment, and long-term facial development.
mouth breathing leads to shallow, fragmented sleep by triggering tiny wake-ups throughout the night - most of which you don’t even notice. when you switch to nasal breathing, your body activates the parasympathetic nervous system (a.k.a. rest-and-digest mode), helping you drop into deeper stages of sleep faster and stay there longer. taping your mouth ensures you stay in that nasal breathing state all night, so your brain and body can properly recharge.
when you breathe through your nose, your body takes in more oxygen and produces nitric oxide - a molecule that helps widen blood vessels and improve blood flow to the brain. this means sharper focus, quicker thinking, and better memory retention. on the flip side, mouth breathing limits oxygen intake, which can leave you feeling groggy, foggy, and scattered. consistent nasal breathing overnight helps keep your brain fueled and firing.
oxygen is your body’s fuel - and nasal breathing is the more efficient way to get it. when you breathe through your nose, you draw in filtered, humidified air and maintain better oxygen-carbon dioxide balance, which supports stamina and endurance. overnight, it helps your body enter deep sleep, where muscle repair and recovery actually happen. whether you train hard or just want to feel your best, mouth taping helps your body recharge the right way.
when you breathe through your nose, you naturally activate the parasympathetic nervous system - your body’s built-in “rest and relax” mode. this slows your heart rate, lowers cortisol levels, and helps your brain unwind. mouth breathing, on the other hand, can trigger shallow, rapid breaths that keep your body in a stressed-out state. using mouth tape is a simple way to help your nervous system shift into calm, so you fall asleep easier and stay asleep longer.
sleeping with your mouth open dries out your saliva - the stuff that protects your teeth, gums, and breath. without enough saliva, bacteria grows fast, leading to morning breath, plaque buildup, and even gum irritation. by gently keeping your lips sealed, mouth tape helps your mouth stay moist and balanced overnight. that means fewer bacteria, fresher breath, and better oral health, all while you sleep.
why settle for less? unlock your best self with sleepflow.
you wouldn’t be alone - studies show over 60% of adults breathe through their mouths while sleeping, most without even realizing it.
for a lot of people, it takes a partner, friend, or even a kid saying “you snore like crazy” to finally piece it together.
but you don’t need to wait for someone to tell you - a dry mouth, groggy mornings, brain fog, or even jaw tension are subtle red flags.
the easiest way to find out? tape up for a night or two.
you’ll know if it’s working the moment you wake up feeling clear, rested, and focused.
you're not alone - this was one of the biggest problems we ran into when testing other brands.
most mouth tapes on the market either don’t stick well enough (especially over facial hair) or stick way too much, leaving your skin irritated or tugged in the morning.
so we built sleepflow differently:
the shape and size were tested on dozens of face types
the adhesive is gentle but reliable, sticking through the night without pulling in the morning
it’s made to work on beards, mustaches, dry lips, and sensitive skin
no irritation. no ripping. no waking up in the middle of the night to reapply.
just the right balance - enough grip to guide nasal breathing, but soft enough to feel like it’s barely there.
honestly? anything new feels weird the first time - especially when it’s on your face.
but sleepflow was intentionally designed to make that transition as smooth as possible.
our shape is slim and flexible, the size is just right to seal the lips without covering half your face, and the adhesive is gentle enough to peel off without a fight, but strong enough to stay on.
we tested dozens of variations until we landed on the one people forget they’re even wearing.
most customers say by night 2 or 3, it feels natural - even comforting.
and if it doesn’t feel right, just take it off. zero stress.
yes - and there’s real data behind it.
mouth breathing at night is linked to fragmented sleep, reduced oxygen intake, and higher stress on your nervous system. when you switch to nose breathing, your body naturally enters a calmer, more restorative state.
in one clinical study, nasal breathing increased time spent in deep sleep by up to 22%.
another study showed it reduced nighttime wake-ups and helped balance CO₂ and oxygen levels more efficiently.
the result?
better sleep quality
more energy the next day
clearer focus, sharper memory, and even reduced anxiety over time
it’s not magic - it’s biology working how it was meant to.
and for most people, the impact is noticeable after just one night.
absolutely. mouth taping is safe for the vast majority of people - especially when it’s done with purpose-built products like sleepflow.
our tape is made from hypoallergenic materials, designed specifically for the sensitive skin around your mouth. it’s breathable, gentle, and peels off easily without irritation.
that said, if you have severe nasal blockages or untreated sleep apnea, it’s a good idea to speak with your doctor first.
but for most healthy adults, switching to nose breathing at night isn’t just safe - it’s what your body was designed to do.
we're not taping your mouth shut like a hostage scene. we're gently encouraging the natural way to breathe - through your nose.
the science is simple: when you breathe through your mouth at night, you lose moisture, reduce oxygen intake, and interrupt your sleep cycles.
mouth taping helps you do what your body was designed to do - breathe through your nose.
and when you nasal breathe, your body:
produces more nitric oxide, which improves oxygen delivery
maintains better carbon dioxide balance, calming the nervous system
supports deep sleep, where real recovery happens
sleepflow’s mouth tape doesn’t force your mouth shut - it gently encourages nasal breathing, so you can finally sleep the way your body was meant to.
great question - and an important one.
if you regularly struggle to breathe through your nose, it’s worth checking in with a healthcare professional to rule out any serious blockages or medical issues like a deviated septum or chronic congestion.
that said, many people think they can’t breathe through their nose — but what they’re really dealing with is temporary inflammation caused by allergens, mouth breathing itself, or even poor sleep posture.
and here’s the kicker: mouth breathing can actually worsen nasal congestion over time, because your nose stops being used the way it was designed to be.
our advice?
try taping for short periods during the day first - like while reading or working - to retrain your body and see how it feels.
if that goes well, you can slowly work up to using it overnight.
your body was built for nasal breathing - sometimes it just needs a little reminder.
absolutely - and the data backs it up.
mouth breathing during sleep can lower oxygen saturation and disrupt your REM and deep sleep cycles, leading to more night-time wakeups and lighter, less restorative sleep.
when you breathe through your nose, you naturally:
increase nitric oxide production (helps with oxygen delivery)
improve blood oxygen levels
stabilize heart rate and blood pressure
and spend more time in deep sleep, where real recovery happens
in fact, studies have shown that nasal breathing can significantly improve sleep quality, especially in people who snore or struggle with sleep-disordered breathing.
mouth taping with sleepflow helps ensure you’re getting the kind of sleep your body actually needs to feel sharp, energized, and fully recovered.
we get it — the idea of taping your mouth shut can sound uncomfortable at first. but here’s the truth:
most users stop noticing it after the first few minutes.
sleepflow’s design was built to eliminate that suffocating feeling. we’ve tested the shape, size, and adhesive strength to ensure it's:
lightweight and breathable
easy to remove
and comfortable enough to forget it’s even there
it doesn’t lock your mouth shut — it simply encourages your lips to stay gently closed while you sleep. plus, once you feel the results in the morning, that initial hesitation usually disappears completely.
just like anything new, it might feel unfamiliar at first… but it becomes second nature in no time.
actually - quite the opposite.
mouth breathing is one of the biggest contributors to snoring. when you sleep with your mouth open, air moves in a way that vibrates soft tissues in your throat, which is what creates the snoring sound in the first place.
by gently encouraging nasal breathing, mouth taping helps keep your airway stable and reduces those vibrations. in fact, many users report a noticeable drop in snoring within the first few nights of using sleepflow.
if your snoring is driven by mouth breathing (and for most people, it is), this could be one of the simplest and most effective changes you’ll ever make.
technically? sure.
but should you? not really.
regular tape - like duct tape, surgical tape, or band-aids - wasn’t designed for overnight use on your face.
it can be too sticky, causing skin irritation or damage when you remove it, especially night after night.
it also doesn’t account for movement - meaning it might fall off, feel restrictive, or just make the experience uncomfortable enough that you give up on the habit altogether.
sleepflow was built specifically for this purpose:
skin-safe adhesive that stays on all night, but peels off without pain
hypoallergenic and gentle, even for sensitive skin
a perfectly-sized strip that feels comfortable and non-restrictive
it’s one of those things where the right tool actually makes the habit stick - no pun intended.