"We sleep during the flight."

Translation: Vi sover under flyveturen.

[Peryfin]

Why is it under and not om? I thought "om" sometimes meant "during"

[RidderJakob]

Prepositions never have 100% rules, sadly.

[tani17]

but the hints give both - very confusing

[Egesikhora]

Why isn't flyet accepted?

[sll-ttt]

Because it would mean : We sleep under the plane