Experience worry-free nights with Evereve Overnight Period Panties. DesigneExperience worry-free nights with Evereve Overnight Period Panties. Designed for superior comfort and protection, these panties offer up to 12 hours of leak-proof security. Perfect for a restful sleep during your period.d for superior comfort and protection, these panties offer up to 12 hours of leak-proof security. Perfect for a restful sleep during your period.