Possible Clues:

• Mattress base on which girl supports bucket
• After parking trouble, girls mostly sleep on this
• Bed in exercise to take poorly girl
• Alas, I slept without the ultimate in comfort -- lousy mattress!
• One sick almost died without something to rest on
• A misfortune to be confined to old-fashioned straw bed
• Bedding girl with energy by the bucket
• Straw mattress spells trouble to girl in gym