# Big Health

**Source:** https://geo.sig.ai/brands/big-health  
**Vertical:** Healthcare  
**Subcategory:** Digital Therapeutics  
**Tier:** Growth  
**Website:** bighealth.com  
**Last Updated:** 2026-04-22

## Summary

$23.7M round in Feb 2026 led by .406 Ventures and AlleyCorp with CVS Health Ventures. Makers of Sleepio and Daylight — sleep and mental health DTx.

## Company Overview

Big Health is a pioneer of prescription digital therapeutics for mental health and sleep. Its flagship products — Sleepio (insomnia) and Daylight (anxiety) — are both cognitive behavioral therapy (CBT) programs delivered as software, with randomized controlled trial evidence of clinical efficacy.

In February 2026, Big Health raised $23.7M led by .406 Ventures and AlleyCorp, with CVS Health Ventures participating. The round signals renewed investor confidence in DTx after a difficult period that saw peers like Pear Therapeutics exit the market.

Big Health distributes through employers, health plans, and the UK NHS rather than direct-to-consumer, and competes with Click Therapeutics, SilverCloud Health, Lyra, Meru Health, and DTx offerings from large mental-health platforms.

## Frequently Asked Questions

### What is Big Health?
Big Health is a digital therapeutics company whose products Sleepio and Daylight treat insomnia and anxiety via CBT delivered as software.

### How much has Big Health raised?
$23.7M in February 2026 led by .406 Ventures and AlleyCorp with CVS Health Ventures participating.

### Who competes with Big Health?
Click Therapeutics, SilverCloud Health, Lyra, and Meru Health in digital mental health therapeutics.

## Tags

healthtech, b2b, b2c, enterprise, startup

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*Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-22.*