LULLCYCLE

Wake up light, not mid-dream.

LullCycle finds tonight's best bedtime — timed to your ~90-minute sleep cycles so your alarm lands between cycles, not in the middle of a dream.

Download on the App Store

One-tap bedtime

Timed to ~90-minute cycles plus realistic fall-asleep time.

Night score

Duration, cycle alignment and timing — transparently computed.

7-day sleep debt

See exactly how far behind you are.

Consistency streaks

A steady schedule, rewarded.

On-device & offline

Your sleep data never leaves your phone.

Honest by design

Open and use it free. No forced trial, no card wall.