yep! i have this book, in which there is a dua, and then some dhikr you do, before going to sleep. it goes like this: Dua: Seeing Rasulullah(s.a.w.) in a dream, bath on eve of jummah, night between Thursday and Friday Clean Clothes and Apply Itr After Isha Pray 2 rakat Nafl 100 times Surah Kawthar 100 Times Durood : Allahumma Salli Alaa Muhammadin nabiyil umiyee wa'laa alihee wabarik wasalim