A light therapy and sleep companion that nudges your circadian rhythm with the screen you already own. 412k people sleep better.
Four screens that respect the time of day. No bedtime nag, no AI psychologist.
Phone screen ramps from candle to coral over 28 minutes. No music until you're already awake.
Auto-dim 47 minutes before bed. Notifications pause. Screen warms to 1,800K.
Onset, duration, awakenings — read from accelerometer plus your watch. No selling the data.
10,000-lux full-screen sessions for jet lag, shift work, and the long Nordic winter.
Built with two sleep researchers and reviewed by a chronobiology lab in Reykjavík.
47 mornings in a row without a buzzer alarm. Her morning anxiety dropped enough to skip the second coffee.
Jet-lag plan reset his clock in 4 days instead of 9. He recovered before his second meeting.
Light therapy program ran 12 days in February. Mood log went from 4/10 to 7.4/10.
Sleep apps measure. Lumion intervenes — gently, with light.
"I haven't woken up to a buzzer alarm since November. The Lumion sunrise gets me out of bed at 06:42 like it's June."
A SAD lamp is $180. Lumion Pro is the price of a coffee.
For mild winter dimness, yes — at full brightness a phone delivers about 1,400 lux at arm's length. For clinical SAD, we still recommend a dedicated 10,000-lux lamp; Lumion times the session.
Sunrise is 28 minutes at incremental brightness, costing ~4% on most phones. Wind-down is free — it actually saves battery by warming the screen.
No. Sensor data stays on-device. You can opt into a weekly digest emailed to yourself, but nothing leaves your phone unless you ask.
Apple Watch, Garmin, and Whoop sync. Watch data improves the sleep onset accuracy from 84% to 94.6%.
Released roughly monthly, on Tuesday mornings.
New jet lag itinerary covers 47 destinations. Smart layovers.
Light therapy timer adds shift-worker preset.
Wind-down picks ambient sounds you already use, not new ones.
Watch sync detects awakenings 47.2% more accurately.
Set sunrise tonight. Wake without a buzzer tomorrow.