Photo via Max Pixel under Creative Commons License
A person should get on average 8-9 hours of sleep.
Sleeping on your back makes you more likely to snore.
The Declaration • January 23, 2019 • https://thedeclarationatcoloniahigh.com/36618/fun-factofthe-day/you-cant-snore-and-dream-at-the-same-time/
You can’t snore and dream at the same time.