(Newton, MA / November 30, 2021) – plusOne®, the leading provider of sexual wellness products, further explores the correlation between good sleep and masturbation with the completion of a specialized four-week study on sleep quality. The study was performed with 44 female test subjects using one of six plusOne products, including the Vibrating Bullet, Personal Massager, Dual Vibrating Massager, Vibrating Wand, Air Pulsing…