Repeating kriyat shema at night before you go to sleep, hamapil, & repeating all 3 sections if you davened Maariv early. What you can/can't do after Shema.
Rabbi Aaron E. Glatt, MD, MACP, FIDSA, FSHEA is the Associate Rabbi at the Young Israel of Woodmere. He has been giving a Daf Yomi shiur for 30 years (available on YUTorah), and also gives a weekly gemara be’iyun shiur, daily halacha shiurim, and many other classes. An international lecturer on medical and halachic issues, Rabbi Dr. Glatt has autho...