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Frenz Frenz Brainband Sleep Wearable

Frenz

Frenz Brainband Sleep Wearable

£575.00

The FRENZ Brainband is developed by Earable Neuroscience and worn during sleep to monitor brain activity continuously, using that data to deliver a response that is specific to the wearer's sleep state rather than gener…

  • Monitors brain activity continuously during sleep using AI, enabling real-time responses to the wearer's sleep state
  • Delivers personalised audio therapy via bone-conduction speakers — no earbuds required
  • CBT audio sessions are tailored to the wearer's sleep stage, not played on a fixed schedule
  • Companion app provides real-time sleep scoring and precise sleep stage interpretation (iOS only; iPhone 10 or newer)
  • Designed to fit all adult head sizes and remain comfortable across a range of sleep positions
  • Described by the manufacturer as clinically proven to support faster sleep onset, deeper sleep, and more refreshed waking
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about this product.

The FRENZ Brainband is developed by Earable Neuroscience and worn during sleep to monitor brain activity continuously, using that data to deliver a response that is specific to the wearer's sleep state rather than generic. The mechanism is notable: bone-conduction speakers sit against the skull rather than inside the ear, allowing audio to be delivered without blocking ambient sound or requiring earbuds — a practical consideration for anyone who finds in-ear devices uncomfortable overnight.

The audio content itself consists of personalised Cognitive Behavioural Therapy (CBT) sessions, adapted in real time to where the wearer is in their sleep cycle. CBT is the most evidence-backed psychological approach to insomnia, and delivering it passively during the transition to sleep is a meaningfully different format from daytime app-based programmes. The companion FRENZ app — required for full functionality, and currently iOS only, compatible with iPhone 10 and newer — provides real-time sleep scoring and sleep stage interpretation, giving users a detailed picture of their night over time.

The headband is designed to fit all adult head sizes and to accommodate a range of sleep positions, which matters for a device that needs to stay in place through the night. It is worth noting that Android compatibility is not currently supported, and prospective buyers should confirm their device is compatible before purchasing.

This is a considered piece of technology for people whose sleep difficulties are rooted in an overactive mind or poor sleep architecture — the kind of problem that responds to behavioural and neurological intervention rather than supplementation alone. It is not a passive tracker; it is designed to act on what it measures.

how to take it

i.

Wear the headband during sleep. Download the FRENZ app (required for full functionality; iOS only, compatible with iPhone 10 and newer) to access real-time sleep scoring and personalised CBT audio sessions. The device is not currently compatible with Android.

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Customer reflections

Overall sentiment

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QQVerified Buyer

The first adrenal support that made a quick difference.

4 days ago

Gentle on a sensitive stomach, and I feel like myself again. I had tried two other glandulars before this and neither sat right.

MRVerified Buyer

Steadier mornings within a fortnight.

1 week ago

I was sceptical about glandulars, but my mid-afternoon crash has genuinely eased. One capsule with breakfast and I forget about it.

ALVerified Buyer

Subtle, but real.

2 weeks ago

Not a stimulant, which is exactly what I wanted. It took about ten days, then I realised I wasn’t dreading the afternoon any more.

SKVerified Buyer

My clinician recommended it.

3 weeks ago

Bought after a blood panel flagged a flat cortisol curve. Easy to take, no jitters, and the sourcing is refreshingly transparent.

TPVerified Buyer

Recovery feels faster.

1 month ago

Training hard through a stressful stretch and this has helped me bounce back between sessions. Already on my second bottle.

DVVerified Buyer

Does what it says.

1 month ago

No frills, one ingredient, a sensible dose. I appreciate that it is designed to be used for a season rather than forever.

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