Fall asleep to rain, and stay asleep all night.

Stay in the dark, skip the clock and the phone scroll, and give your brain a steady sound bed so door creaks and traffic spikes stop re-startling you. In Lull, a saved mix starts from the lock screen in one tap and the sleep timer fades it back out — no bright screen required.

Same idea, different frequency balance: white is even and hissy, pink softens the highs, brown is the deepest rumble, and green sits in the nature-like middle. There's no universal winner — comfort at low volume matters more than the label, and Lull includes all four so you can test each during your 3 free nights.

For most people yes, if the volume stays low — around quiet-conversation level, not next to your ear. Some sleep best with all-night steadiness, others prefer a timer; Lull supports both. If you have hearing concerns or use hearing aids, ask your doctor what's right for you.

Screen-off audio from downloaded files is one of the lightest things a phone does. Lull plays fully offline with the screen locked, works in airplane mode, and most people charge overnight anyway — so an all-night session is a non-issue in practice.

Steady broadband sound has real evidence behind it — a 2017 study by Messineo and colleagues found people in noisy environments fell asleep faster with a continuous noise bed. Rain is broadband sound most people happen to love. Preference is personal, which is why Lull carries five rain variants plus distant thunder to find yours.

Snoring is low-pitched and irregular, so deep, steady sounds mask it best: brown noise, a box fan, or heavy rain. Lull lets you layer up to three sounds with independent volumes — many people run brown noise underneath rain — and save the combination as a one-tap mix.

In a silent bedroom there's nothing to compete with the ringing, so it stands out more — daytime ambient sound normally masks it. Gentle background sound kept just below the ringing softens that contrast, and earplugs tend to make it worse. New or changing tinnitus is worth a visit to your doctor or an audiologist.

Deep sleep declines steadily through adulthood — Ohayon's 2004 meta-analysis across age groups documents it — so noises that never woke you at 30 can wake you at 55. A steady sound bed raises the background level so those spikes stand out less. If poor sleep persists, talk to your doctor.

It's personal: some sleepers need sound until morning, others just need it to fall asleep — but an abrupt cutoff can re-wake a light sleeper. That's why Lull's timer eases the volume down over the final minutes instead of stopping cold, and all-night playback is there if silence is what wakes you.

A machine plays one loop at one volume forever. Lull layers up to three of its 43 sounds with independent volumes, saves your perfect mix, fades out on your schedule, shows which sounds give you your best nights, and travels in your pocket working fully offline. Try it free for 3 nights and compare.

Your first 3 nights include full access via the annual plan's free trial. After that it's $39.99/year, $6.99/month, or $79.99 once for lifetime. Lull sends a reminder before the trial converts so there are no surprise charges, and you can cancel anytime in Settings > Apple ID > Subscriptions.

Lull includes a womb-and-heartbeat track, a lullaby music box, a baby shusher, and seamless fan loops with no jarring seams to startle a sleeping baby. Keep the device out of the crib and the volume low and distant — and follow your pediatrician's guidance on infant sleep.