Tā xùxudāodāo de shuō le yī gè xiǎoshí, wǒ dōu kuài shuìzháo le.
She went on and on for an hour and I was nearly falling asleep.
Tips
memory
絮 means 'cotton fluff' (loose and scattered), and 叨 means 'to talk persistently' - 絮絮叨叨 evokes cotton-like talk that spreads everywhere without a clear center.