Sleep Cycle AB (publ) (SLEEP.ST) Stock Analysis & Winston Score
Sleep Cycle AB is a Swedish software company that makes a sleep-tracking app, also called Sleep Cycle. The app uses a smartphone's microphone or accelerometer to monitor how a person sleeps at night and then wakes them up during their lightest sleep phase. It sells directly to individual consumers — mostly adults who want to improve their sleep — and operates in the health and wellness software space. Sleep Cycle earns money primarily through subscription fees, offering a free version of the app alongside a paid premium tier with deeper sleep analysis and trends. The company is headquartered in Gothenburg, Sweden, but its app is available globally across iOS and Android, giving it a broad international user base. Its moat comes from years of accumulated sleep data, brand recognition in a crowded wellness app market, and relatively low costs to serve additional users. The main risk is intense competition from larger platforms like Apple Health and Fitbit, which bundle similar sleep-tracking features into hardware ecosystems at no extra cost.
Winston Score: 55/100 — Good
A decent business — some strong pillars, some weaker.
- Quality: Good (20/30)
- Growth: Weak (3/20)
- Cash Flow: Strong (8/10)
- Stability: Good (5/10)
- Valuation: Strong (7/10)
- Ownership: Good (10/15)

