Sleepiest is a wellness technology company focused on improving global sleep health through its highly-rated mobile application. The Sleepiest app provides users with a rich library of bedtime stories, soothing sleep sounds, guided meditations, and ambient white noise, all carefully crafted to help individuals relax, de-stress, fall asleep more easily, and achieve deeper, more restorative sleep. Founded with the mission to make better sleep accessible to everyone, Sleepiest combines calming audio content with an intuitive user experience to address common sleep challenges.
The London office serves as the primary center for Sleepiest's operations, including product development, content creation and curation, marketing initiatives, user support, and strategic planning.
As a modern tech startup, Sleepiest's physical workspace (if not fully remote) would likely be in a contemporary office environment or co-working space, designed to foster collaboration, creativity, and innovation among its team members.
The work culture at Sleepiest is anticipated to be agile, collaborative, and mission-driven, with a strong focus on user well-being and leveraging technology to solve real-world sleep problems. Employees likely share a passion for mental health and wellness.
Sleepiest's London headquarters is significant as it's the nerve center from which the company develops and disseminates its sleep-aid solutions to a global audience, driving its mission to improve sleep quality worldwide.
While Sleepiest's core operations are based in its London headquarters, the company has a significant global presence through its app, which is available to users worldwide on iOS and Android platforms. Sleepiest supports a global community seeking better sleep, offering its content internationally. The team may also include remote members contributing from various locations.
Specific operational street address not publicly disclosed. Registered address: 71-75 Shelton Street, Covent Garden.
London
England
United Kingdom
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As of April 2025, Sleepiest' leadership includes:
Sleepiest has been backed by several prominent investors over the years, including:
As a founder-led company in its growth phase, Sleepiest's core executive team has remained stable. No major public announcements regarding executive hires or departures have been made in the last 12 months.
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Common email formats for companies like Sleepiest often use the first name or a combination of first and last names. For Sleepiest (domain sleepiest.com), a likely format is:
[first]@sleepiest.com
Format
sam@sleepiest.com
Example
70%
Success rate
TechCrunch • May 19, 2021
Sleepiest, the UK-based startup behind the popular sleep aid app, announced it secured $1.3 million in seed funding. The round was led by General Catalyst, with participation from existing investor SFC Capital and new backer Exceptional Ventures. The capital is aimed at expanding its content library and growing its user base....more
SFC Capital Portfolio News • March 20, 2020
SFC Capital announced its pre-seed investment in Sleepiest, a company developing an app to improve sleep through stories, sounds, and meditations. SFC Capital highlighted Sleepiest's strong founding team and early traction in the growing wellness market....more
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