Overview

The purpose of this study is to assess how time restricted eating interventions impact eating behaviors, diet quality, and body composition in women ages 20-29 years. Participants will be asked to limit all food and drinks (except water and some non-caloric beverages) to a 10-hour period during the day for four weeks. Participants will follow their usual eating and activity patterns for one week before starting, and follow whatever eating pattern they want for 4 weeks after finishing.

Eligibility

Inclusion Criteria:

• Able to speak and read English
• Own a smartphone
• BMI ≥ 23 kg/m2
• Usual eating window ≥ 12 hours with the last eating occasion after 8pm on the majority of days
• Have at least a moderate baseline level of dietary restraint

Exclusion Criteria:

• Shift workers
• Being pregnant, nursing, or planning to become pregnant in the next 6 months
• Having a past or current eating disorder diagnosis
• Having a chronic medical condition (including diabetes, heart, kidney, or thyroid disease) or a condition that requires therapeutic diet or specified meal timing