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Sleepiest's Overview

Total employees10
HeadquartersLondon
Founded2018

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.

Where is Sleepiest's Headquarters?

Sleepiest officeSleepiest officeSleepiest officeSleepiest office
*Images sourced via web search. Rights belong to original owners

HQ Function

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.

Notable Features:

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.

Work Culture:

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.

HQ Significance:

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.

Values Reflected in HQ: The company's operational base likely reflects values such as innovation in wellness technology, user-centric design, efficiency, and a commitment to creating a positive impact on people's lives through better sleep.

Location:

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.

Street Address:

Specific operational street address not publicly disclosed. Registered address: 71-75 Shelton Street, Covent Garden.

City:

London

State/Province:

England

Country:

United Kingdom

Sleepiest's Global Presence

Buying Intent Signals for Sleepiest

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Sleepiest

As of April 2025, Sleepiest' leadership includes:

Sam Brennand - Co-Founder & CEO
Will Jones - Co-Founder & CPO

Investors of Sleepiest

Sleepiest has been backed by several prominent investors over the years, including:

General Catalyst
SFC Capital
Exceptional Ventures

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

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.

Technology (Tech Stack) used by Sleepiest

Discover the tools Sleepiest uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Sleepiest Email Formats and Examples

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

News and media

TechCrunchMay 19, 2021

Sleepiest, an app that wants to help you drift off, raises $1.3M seed led by General Catalyst

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 NewsMarch 20, 2020

SFC Capital invests in Sleepiest to help the world sleep better

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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