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Study on the effects of long-term intervention of a home robots on stress reduction.

Basic Information

Recruitment status	Complete: follow-up complete
Health condition(s) or Problem(s) studied	Healthy adults
Date of first enrollment	2022/05/20
Target sample size	10
Countries of recruitment	Japan
Study type	Interventional
Intervention(s)	Subjects spend 15 minutes with the home robot "LOVOT(R)" (GROOVE X Co., Ltd.) before bedtime every day for six weeks. Saliva sampling and autonomic nerve balance measurement based on pulse wave fluctuations using the acceleration pulse wave measuring device "TAS9 VIWE RW" (YKC Co., Ltd.) are conducted three times a week (Monday, Wednesday, Friday), and a questionnaire survey on mental state using the Visual Analog Scale (VAS) is conducted once a week (Wednesday).

Outcome(s)

Primary Outcome	Visual Analog Scale (VAS) values of subjective mental changes (I feel irritated, I have worries, I feel tense, I feel nervous, I have anxiety, I am depressed.)
Secondary Outcome	1) Concentration of physiologically active substances in saliva (oxytocin, secretory immunoglobulin A (s-IgA)) 2) Autonomic balance index based on pulse wave (heart rate) variability analysis

Key inclusion & exclusion criteria

Age minimum	18years-old
Age maximum	65years-old
Gender	Male and Female
Include criteria	1) Subjects aged 18 to 65 at the time of consent. 2) Subjects who have been informed of the contents of this study and have confirmed their consent in the consent form.
Exclude criteria	1) Subjects with a diagnosis of arrhythmia 2) Subjects who have a cardiac pacemaker. 3) Subjects who currently smoke on a daily.