Circadian desynchronization – not just jet lag – is why you crash at 3pm and lie awake at midnight, and it can be fixed with the right light and timing cues.
ENTRY ANGLES
Wellness app for shift workers focused on sleep optimization and circadian rhythm management (similar to Arcascope model) · Employer-focused HR/wellness platform targeting shift workforce management · Adaptation of open-source circadian rhythm algorithms (published on GitHub) for commercial applications
VERTICALS
CAPABILITIES
Circadian science and sleep optimization expertise, B2B employer sales and contract negotiation, Employee wellness app development and engagement
ARCASCOPE FOUNDER
“stumbled onto something bigger”
Every person runs on an internal biological clock. When it says night, you want to sleep. When it says morning, you're alert and active.
The problem is that this clock doesn't always sync with actual local time. That's why you sometimes crash with exhaustion in the middle of the afternoon, or lie awake staring at the ceiling at midnight when you should be asleep.
The most obvious trigger for this desynchronization is time zone travel. After a long flight, your biological clock is still set to where you departed from – so your body wants sleep at what is now 2pm at your destination.
The good news: biological clocks are not fixed. They continuously adjust in response to environmental cues – light exposure, meal timing, activity patterns. If they can drift on their own, they can also be steered deliberately. The trick is knowing how.
Arcascope is an app that helps users adjust their internal clocks to match the schedule they actually need.
The app tracks physical time, while users periodically log how they're feeling. For those wearing fitness trackers or smartwatches, the app pulls several biometric signals directly from the device, eliminating manual check-ins.
An algorithm combines these inputs to reconstruct the current shape of a user's biological rhythm. Depending on what the user needs, the app offers two modes:
- Timing recommendations: the optimal windows for sleep, waking, and cognitively demanding work, given current clock settings. - Corrective guidance: specific actions to shift the clock in a desired direction – when to get sunlight, when to adjust sleep timing, which activities to front-load or delay.
The important caveat is that biological rhythms are never static. They keep adjusting in response to everything from light to meal timing to exercise, even without deliberate intervention. A one-time calibration is never the end state. The app therefore monitors continuously, updating the rhythm model and issuing recommendations that reflect the current moment, not a historical baseline.
The startup's co-founder released the first version of this app as part of a research project building on her academic supervisor's work in chronobiology. The initial version was built to help people manage jet lag. After it was downloaded 50,000 times in the first week, she realized – in her own words – that she had "stumbled onto something bigger" and decided to build a company around it.
The question was: what exactly, and for whom? Jet lag is a real problem but a low-frequency one. General wellbeing through circadian synchronization is important but broad and hard to reach.
After testing both directions, the startup found the answer in an unexpected category: shift workers.
As the founder describes it, there's a massive group of people living with what amounts to "chronic jet lag" – people whose work schedules rotate unpredictably across morning, afternoon, evening, and night shifts. Healthcare workers, warehouse staff, delivery drivers, logistics sorters. Their biological clocks are perpetually out of sync with their schedules. They feel poorly during shifts, can't sleep at odd hours, wake up groggy, and struggle to use their time off effectively.
The startup's new product – Shift – targets this audience with a straightforward promise: sleep better, feel better, work better.
The go-to-market insight is clever: rather than marketing directly to individual shift workers, Arcascope sells to their employers. Employers have obvious, quantifiable incentives to want their shift staff performing at full capacity. A yawning server or a warehouse picker making packing errors is a direct cost.
Arcascope sits at the intersection of two converging trends.
First, the growth of mental wellness services. Broad-market leaders like Calm and Headspace have normalized the category. But large markets attract specialists who prefer deep penetration of a specific segment over expensive head-on competition. Examples:
- Hallow: a meditation app built specifically for Catholics – prayers instead of meditations, biblical bedtime stories instead of sleep content. Raised $55M. - Mantra Health: mental health support for college students. Raised $29.2M. - Little Otter: mental health services for children aged 0–14. Raised $26.2M.
A mental wellness product designed specifically for shift workers – using science-based circadian interventions rather than generic meditation – fits this pattern precisely and may resonate more strongly with that audience than a generic app would.
Second, the expanding ecosystem of services built for blue-collar workers. This is a large and growing market that has historically been underserved relative to white-collar audiences. Products that were designed exclusively for desk workers are now being reinterpreted for field and hourly workers. A few data points:
- how.fm: a training platform for warehouse workers. Raised $8.1M. - EduMe: learning tools for frontline and field staff – couriers, drivers, service workers. Raised $27.2M. - Moves: a bank built for gig workers and delivery drivers. Raised $14.1M. - SteadyPay: fintech designed around the irregular income patterns of hourly and freelance workers. Raised £8M. - Sprockets: a platform to help companies improve shift worker retention. Raised $14.8M. - WorkHound: another retention platform for frontline staff. Raised $14.1M. - FactoryFix: career development for skilled trades workers. Raised $19.8M.
Shift workers represent a large and growing segment – and one where employers are currently facing significant staffing shortages. That combination creates strong incentive to invest in tools that improve performance, wellbeing, and retention.
The broad direction: build services that help companies take better care of their hourly and shift workforce – improving productivity, working conditions, and retention in concrete, measurable ways.
A wellness app in the mold of Arcascope – helping shift employees sleep better, recover faster, and perform more consistently – fits naturally within that direction. The employer sales motion reduces the customer acquisition challenge and creates larger contract sizes.
One notable detail: Arcascope's founders practice open science. They've published their core algorithms on GitHub, which means the underlying approach is available for others to study, adapt, and build on. That's unusual and worth noting for anyone interested in exploring this space.