London Coworking's Circadian Underperformance
One workspace I tested delivered 4 melanopic lux. The minimum for circadian function is 250.
Hafiz Shariff
I'm an entrepreneur building the infrastructure for circadian health at Aryal. Before that I co-founded Kroo Bank and practised antitrust law at Cleary Gottlieb. I think about what environments do to the people inside them, and I write about what I find.
My Projects - Past and Present
Building
Aryal
Active · 2026
The portable lamp that learns your body clock. AI-powered light therapy for better sleep, energy and health. Available to buy in 2026, deploying into hospitality and care.
aryal.aiCabin Anthology
Concept
I co-founded a hospitality group designing properties to enhance community, creativity and wellbeing.
cabinanthology.comOwl + Lark
Sleep is Not a Luxury
The finest technically engineered sleep products for consumers and hospitality. Built from 20 years of hospitality expertise.
owllark.comKroo Bank
Exited
A digital bank built for the social generation. Now a registered UK bank with >£1bn in customer deposits.
Kroo.comStill Tuning
Writing
Still Tuning
A Substack about the body, the built world, and the signals between them. If that sounds like your kind of rabbit hole, subscribe and come along for the ride.
© 2026 Hafiz Shariff