Tokyo, Aug. 5 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062456) titled 'Do bedtime sounds work differently from person to person? A study in which each participant tries and compares several sounds' on Aug. 3.

Study Type: Interventional

Study Design: Basic Design - n-of-1 Randomization - Randomized Blinding - Open -no one is blinded Control - Self control

Primary Sponsor: Institute - Tohoku University

Condition: Condition - Healthy adults with mild or greater insomnia symptoms (ISI-J score of 8 or more) Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To characterize inter-individual variability in sleep responsiveness to bedtime audit...