Night 182
Asleep
Breathing steadily
38/min
Breathing
124bpm
Heart
68°F
Room
Updated just now
Nothing to do.
We'll have this for you in the morning.
Live waveform
Past 7 days
Total sleep, midnight to midnight. Shaded band is 7pm–7am.
Slept
The band under each day is room temperature, hour by hour. It sits next to her sleep so you can see the two together. We show it because it's the one thing you may change.

Tap each day to open it — every sleep and waking, with the times.
Tuesday
Midnight to midnight
Slept
in 24h
Longest
stretch
Times
she woke
What happened
Since day 1
Night 1 to night 182. Automatic data collection. Ready to share with a pediatrician.
2,486
Hours slept,
recorded
182
Nights kept,
none missed
Longest unbroken stretch, by week
Rhythm finding itself · one row per day
One row per day, midnight to midnight, 182 days. Sleep drifts into the night band on its own — this is the chart no one can keep by hand.
Room temperature · the same 182 days
In the same order, coloured by room temperature hour by hour. Steadiest through winter and early summer; widest in spring.
Baby lying on her back in a crib
LuluSigna
Smart Crib Mattress
Air moves straight throughA 90% open lattice, washable end to end.
Ready to share with your pediatricianSleeping, breathing, heart rate, movement. Nothing worn, nothing watching.
Founder's price
Join the waitlist and lock in the Founder's Price of $199 $249 at launch. First 300 families only.