Must certain prayers be said lying down or standing up?

This prayer can be said by people of all religions or no religion.

The long prayer can be said at any time in the day.

A short prayer was said, and then we got up.

Mass is attended daily and prayers are said at different times throughout the day.

A prayer would first be said for the condemned's soul.

Indeed, prayers were no doubt being said for them all over the world.

When the last prayers had been said, the body was left alone for an hour so that the soul could go in peace.

When prayers were said she was asked to sit in a room, behind the men.

This prayer is said every morning to begin the school day.