Impact of Dinner Timing on Human Behaviours and Health

National Taiwan Normal University

Status: Enrolling

Conditions: Delayed Dinner Intervention

Treatments: Behavioral: Delayed dinner; Behavioral: Early dinner

Study type: Interventional

Funder types: Other

Identifiers

NCT07109583

202203HM008-2

Details and patient eligibility

About

The aim of this project is to investigate the impact of dinner timing on eating behaviors, physical activity and metabolic healthy in healthy adults

Full description

In the early dinner trial, participants will be required to eat dinner between 17:30 and 19:00 for a week. In the delayed dinner trial, participants will be required to eat dinner between 20:30 and 22:00 for a week. During the intervention, energy intake (3 days of weekday and 1 day of weekend), physical activity (7 days), glucose concentrations (7 days) and sleep (7 days) will be monitored continuously for both early and delayed dinner.

After intervention, body composition, cognition, food preference, metabolic health and resting metabolic rate will be measured.

Enrollment: 20 estimated patients

Sex: All

Ages: 20 to 50 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• No regular exerciser in the last 3 months.
• BMI between 18.5-27 kg/m².
• Regular habit of eating three meals per day, with dinner consumed between 17:00 and 20:00.
• No intentional weight change (>3%) in the past 3 months.
• No special dietary practices (e.g., intermittent fasting).
• Regular sleep (22:00-01:00), at least 6.5 hours per night.
• Non-smoker and non-alcoholic.
• Willing to maintain stable lifestyle and comply with protocol.

Exclusion criteria

• Pregnancy, preparing for pregnancy or menopause.
• Personal history of/existing diabetes, cardiovascular disease or metabolic diseases.
• Diagnosed sleep disorders.
• Taking medications influencing glucose metabolism.

Trial design

Primary purpose: Basic Science

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: None (Open label)

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20 participants in 2 patient groups

Early dinner

Experimental group

Description:

Consume dinner between 17:30 and 19:00 for one week

Treatment:

Behavioral: Early dinner

Delayed dinner

Experimental group

Description:

Consume dinner between 20:30 and 22:00 for one week

Treatment:

Behavioral: Delayed dinner