Yes, it's completely normal. Parakeets tend to sleep upside down if there isn't any high "comfortable" location for them to perch. The only time it should be a concern is if they happen to show other symptoms (ex; being lethargic). If you're still worried about your feather buddy, stop by their vet and get a check up.
No it is not normal for a praying mantis to hang upside down
No they do not sleep upside down.
A Healthy snail doesn't flip upside down to sleep usually. so A unhealthy snail would sleep upside down.
fruit bats sleep upside down because all bats sleep upside down and a fruit bat is a bat
upside down
check your answer
no thay sleep on there belly
I will do an experiment with myself tonight. My PURPOSE is to learn if people can actually sleep upside down. REASON: I want to figure out if people can really sleep upside down.hypothesis: I bet people can sleep upside down peacefully.experiment: I will sleep upside down tonight and come back tomorrow and type what happened.
yes
sleep upside down
Yes they do.
they sleep up side down