DozeClock › Sleep sounds › Thunderstorm
Thunderstorm sounds for sleep
Plays in your browser, no account · The timer stops it after you fall asleep · Updated October 7, 2026
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Distant thunder over steady rain
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45:00
In the app each room layers its own sounds (rain on the roof with distant thunder, waves with a sea breeze), each at its own volume. Free gives you the Rain and Beach rooms with 3 sounds each and plays while the app is open; Plus adds all 30 sounds, saved mixes and play with the screen locked, on iPhone and iPad. A browser tab can also stop when your phone locks. Free vs Plus →
01Why rain and thunder are easy to sleep to
Steady rain is close to pink noise: its energy falls about 3 dB with every octave, so it sounds deeper and softer than TV static. Distant thunder adds a slow, low rumble underneath and then long quiet gaps. Together they cover the sudden sounds that wake people, a door or a car, without a short loop the ear learns to catch.
The evidence is modest, and it is worth knowing which part is real. One small lab study of 18 adults found that broadband sound helped them fall asleep about 38% faster in a noisy setting (Messineo 2017). A 2021 systematic review of noise as a sleep aid rated the overall evidence as low quality, with some studies finding benefit and some finding disruption (Riedy 2021). Use a storm for masking and comfort, not as a treatment.
Distance matters for the thunder layer. The US National Weather Service notes that a sharp crack means lightning passed nearby, while a rumble means it was at least several miles away. That is why the player uses only low, rolling rumbles: a crack is exactly the kind of sudden sound you are trying to cover.
White 0 · pink −3 · brown −6 dB per octave — definitions adapted from Wikipedia "Colors of noise", CC BY-SA 4.0
| Noise color | Slope | Sounds like | Used for |
|---|---|---|---|
| White noise | 0 dB/oct | equal energy per hertz; sounds hissy and bright (TV static, a fan at full speed) | masking sudden sounds (traffic, neighbours) |
| Pink noise | -3 dB/oct | equal energy per octave; deeper and more even than white (steady rain, wind through trees) | steady background for sleep; studied for deep-sleep enhancement |
| Brown noise | -6 dB/oct | energy falls fast with frequency; a low rumble (distant surf, a waterfall, an aircraft cabin) | popular for focus and for people who find white noise harsh |
02How long should the timer run?
Most healthy adults fall asleep within about 10–20 minutes. Set the timer for two to three times that, so the sound is still there if you surface once and gone before it can wake you later. If you are still awake when it stops, the 20-minute guide covers what to do next.
| Timer | Good for |
|---|---|
| 15 min | You usually drop off quickly and want silence after |
| 30–45 min | Most nights: covers a slow start and one wake-up |
| 60–90 min | A noisy street or a snoring partner; about one 90-minute sleep cycle |
| No timer | Masking all night: use the app, which keeps playing with the screen locked |
Falling-asleep range and 90-minute cycle: NIH (NINDS, NHLBI) and AASM, as used by this site's calculators (data/cycles.json).
03Keep the storm playing all night
A browser tab can stop when the phone locks. The free Rain room in Fall Asleep has a distant-thunder layer next to rain on the roof, each with a separate volume (the first three sounds are free), and the app's timer fades it out after you are asleep. The free timer is 15 minutes; longer timers and play with the screen locked are Plus. It works offline.
| Layer in the Rainy Day scene | Use at night |
|---|---|
| Rain on the roof | steady bed; start here |
| Rain on the window | steady bed; start here |
| Distant thunder | low, with long gaps; the layer this page plays |
| Heavy rain | steady bed; start here |
| Wind | texture or voices; keep low or off |
| Crickets | texture or voices; keep low or off |
Scene contents: Fall Asleep: Rain Sleep Sounds (free scene) · iPhone and iPad, iOS 16 or later
Which scenes are free, how mixing and the lock-screen timer work, and what Plus adds: the Fall Asleep app.
Questions people ask
- What sound does a thunderstorm make?
- Two layers: a broad hiss of rain on many surfaces, close to pink noise, and low rumbles of thunder that arrive a few seconds after each flash. The player above lets you set the thunder separately, or turn it off and keep the rain.
- What is the sound of thunder?
- Lightning heats the air so fast that it expands violently; the National Weather Service describes thunder as the sound of that expansion. Nearby strikes crack, while strikes several miles away are heard as a rumble.
- What does it mean when thunder is really loud and shakes your house?
- Usually that the lightning was close: the NWS says a sharp crack means the channel passed nearby, and thunder can be heard only about 10 miles from the strike. If you can hear thunder, you are close enough to be struck, so stay indoors.
- What sounds like thunder but isn't?
- Low rumbles from heavy trucks, trains, distant fireworks or aircraft can sound similar. For sleep the difference that matters is the same as with real thunder: a steady, distant rumble is easier to sleep through than a sudden crack.
Sources
- Colors of noise — Wikipedia (CC BY-SA 4.0)
- Broadband Sound Administration Improves Sleep Onset Latency in Healthy Subjects in a Model of Sleep Onset Insomnia — Frontiers in Neurology 8:718, 2017 (Messineo L. et al.)
- Noise as a sleep aid: A systematic review — Sleep Medicine Reviews 55:101385, 2021 (Riedy S.M. et al.)
- Understanding Lightning: Thunder — National Weather Service (NOAA)
- How Sleep Works - Sleep Phases and Stages — National Heart, Lung, and Blood Institute (NIH)
General information from population studies (NIH, CDC, NSF, AASM). It is not medical advice and does not replace a clinician who knows you.