*Edited to add: The Fisher Price Aquarium Cradle Swing is no longer available for sale, however Fisher Price makes a wide variety of cradle swings with the same functionality as the Aquarium Swing. See
My daughter screamed, on average, 20 hours a day, for four months.
Forty-five minute increments were her regular stretches of sleep. My husband and I would high-five if we got an hour and a half stretch.