2MiB, 480x264, 469.gif View SameGoogleiqdbSauceNAO Anonymous Sat 05 Oct 04:03:43 2019 No.11033178 ViewReplyOriginalReport Quoted By: >>11033272 >>11033478 If you are trying to maximize efficiency for studying for long periods of times, is it better to stop and stretch for 5 min breaks every 30 mins or every hour, or every hour and a half?
