Effect of Sasa powder intake or/and a 60 Hz electric field treatment on sleep quality

INTERVENTION: Oral ingestion of the test food once a day for 4 weeks Oral ingestion of the placebo control food once a day for 4 weeks CONDITION: healthy humans PRIMARY OUTCOME: Brain waves during sleep SECONDARY OUTCOME: OSA sleep inventory MA version; Visual Analogue Scale INCLUSION CRITERIA: (1) 40<=Age<64 of healty men and women (2) Subjects in menopause (3) Subjects with reduced sleep quality (4) Subjects not taking drugs such as sleeping pills (5) Subjects who received a sufficient explanation of the purpose and details of the examination, voluntarily participate in voluntary participation after having a good understanding, understanding well and agreeing to participate in the examination in writing