Discover your Light Score

Hundreds of hours of research distilled into actionable insights, sent to your inbox.

How it works

Tell us about yourself
Our friendly bot, Switch, will analyse your results.

Get personalised tips
We'll reveal your Light Score, and offer personalised tips on how to improve.

Unlock your potential
Integrate better light habits into your daily routine for better health.

First a score. Then guidance.

Answer 24 questions and you'll receive evidence-based recommendations that are personalised to your situation. We've distilled hundreds of hours of research into this 5-minute quiz to pack in as much value as possible.