Lullaby

Unlike passive sleep trackers that show you data without interpretation, Lullaby translates metrics into specific, evidence-based interventions adjustments to sleep timing, light exposure, temperature, and pre-sleep routines that are calibrated to an individual's sleep architecture.

The platform integrates with popular sleep tracking devices and wearables, pulling data on sleep stages, HRV, and sleep continuity to build a personalized baseline.

Over time, it identifies the factors most strongly correlated with each user's sleep quality and focuses recommendations on the highest-leverage interventions rather than generic sleep hygiene advice. Users can see which changes are having measurable effects and which are not.

Lullaby serves a broad population from athletes optimizing recovery to professionals managing chronic fatigue to parents of young children trying to protect what sleep they can get.

The platform's coaching approach is grounded in cognitive behavioral therapy for insomnia (CBT-I), the most evidence-supported intervention for sleep problems, adapted into a digital format accessible without a clinical referral.