Glad Rags offer cotton reusable overnight pads as well as pantyliners as well as other sizes of pads for menstrual and postpartum blood flow. (verywellfamily.com)
I'll also use cloth pantyliners for exercise or when I'm jumping on a trampoline! (backtocalley.com)
If you generally wear pantyliners but have to change it more than once a day, you might want to consider Depend ® Silhouette Active Fit Briefs instead. (thefashionablehousewife.com)