The effect of different dinner timings on nocturnal sleep

UMIN ID: UMIN000055921

Registered date:23/10/2024

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Healthy participants
• Date of first enrollment: 2024/10/23
• Target sample size: 16
• Countries of recruitment: Japan
• Study type: Interventional

Intervention(s)

Setting the dinner time to 19:00 on the day of the nocturnal sleep measurement.
Setting the dinner time to 16:00 on the day of the nocturnal sleep measurement.
Setting the dinner time to 22:00 on the day of the nocturnal sleep measurement.

Outcome(s)

• Primary Outcome: Sleep-related index (sleep stage appearance probability, sleep efficiency, sleep onset latency, Awakenings (>5 min), Wake after sleep onset, sleep stage transitions
• Secondary Outcome: Glycemic variability, cardiac nervous activity (%HF, LF/HF), core body temperature, subjective assessments using visual analogue scales

Key inclusion & exclusion criteria

• Age minimum: 18years-old
• Age maximum: 29years-old
• Gender: Male
• Exclude criteria: 1.Individuals with a extreme morning or evening chronotype 2.Individuals with a smoking habit 3.Individuals with diseases, sleep disorders, or mental disorders that impair their capacity for self-care, or those under medical prescription

Related Information

• Primary Sponsor: Toyo University
• Source(s) of Monetary Support: Toyo University