Many ambient artists release long-form (1-10 hour) train recordings specifically for sleep.
A massive database where you can find "inside train" or "passenger carriage" recordings. Most are high-fidelity WAV or MP3 files uploaded by field recordists. You can browse thousands of options on Freesound.org. skachat zvuk poezda v vagone
If you don’t need to own the file and just want to play it in the background: Many ambient artists release long-form (1-10 hour) train
Search for "train ambient" or "стук колес поезда." Many creators allow free downloads of their tracks. Check out the SoundCloud Train Ambient selection. 2. Best Streaming for "Passive" Listening skachat zvuk poezda v vagone
The classic sound of a metal spoon hitting a glass tea cup in a silver holder (podstakannik).