Dreem SAS

About Dreem SAS

Dreem SAS, operating as Rythm, is a Paris-based neurotechnology company founded in 2014. It designs and markets the Dreem headband, a wearable device that monitors brain activity via EEG sensors to improve sleep quality through real-time audio stimulation and personalized coaching. The company combines neuroscience research, hardware engineering, and data science to address sleep disorders. Its products are supported by a mobile app offering sleep analytics, cognitive behavioral therapy tools, and tailored recommendations. Dreem has raised over $60 million in funding and collaborates with academic institutions and healthcare providers to advance sleep science and consumer health solutions.