Welcome to Science For Sleep — your gentle place to relax, unwind, and drift into peaceful rest while exploring the quiet wonders of the cosmos.
Tonight, we softly ask: How big is the Andromeda Galaxy really? Our nearest galactic neighbor shines over 2.5 million light-years away, yet its vast disk spans more than 220,000 light-years across — twice the size of the Milky Way. Let these soothing science facts for sleep guide your imagination through its spiral arms, countless stars, and the quiet path that will one day bring it into a cosmic dance with our own galaxy.
Whether you’re here for science for sleeping, peaceful bedtime curiosity, or simply a calm escape into awe, this tranquil journey into Andromeda’s enormity will ease your thoughts and carry you into deep rest.
Close your eyes, breathe slowly, and let science for sleep take you into the silent expanse of our sister galaxy.








Cool and cloudy….
1am 🇺🇬
I like the video but i cant fall asleep soth these adds pls remove them during the video
“Watching this at midnight in San Diego 🌙✨ – your video has turned into the perfect nightly ritual for me. The visuals are beautiful and the mood just melts away all the noise of the day. Thanks for creating such a peaceful escape 💖”
110 km/s?! And I’m just lying here, mesmerized. The universe is terrifying and beautiful at the same time. 💫
The commercials don’t help the sleep. Specially those 30 mins ads.
I think you can see it with just ur eye, not sure though I’ll rewatch to make sure
from England
North East, USA- Nov. 6th 3:54am, clear and an almost full moon
Have we confirmed that this isn’t Brian cox narrating ? lol