Who can participate?

Infants:

• between 5 and a half months and 8 months
• with no identified health problems
• who wake up 2 or more times per night at least 4 nights per week
• who wake for more than 20 minutes per night at least 4 nights per week

Parents who:

• are biological or adoptive
• read and speak English
• have access to a telephone
• are in one or two-parent families with both parents committed to the study