Tokyo, May 22 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000061336) titled 'Effects of Time-of-Day Caffeine Intake on Micturition and Sleep in Healthy Adults' on May 22.

Study Type: Interventional

Study Design: Basic Design - Cross-over Randomization - Randomized Blinding - Open -but assessor(s) are blinded Control - Dose comparison

Primary Sponsor: Institute - Niigata University of Health and Welfare

Condition: Condition - healthy adults Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To clarify the effects of time-of-day caffeine intake on micturition and sleep Basic objectives2 - Efficacy

Intervention: Interventions/Control_1 - caffei...