Amina Inloes, Amina Inloes is originally from the US and has a PhD in Islamic Studies from the University of Exeter on Shi'a hadith. She is the program leader for the MA Islamic Studies program at the... Answered 1 year ago

Yes, actually it is mustahabb to do wudu and recite du'a at prayer times.

However you will not technically be in a state of wudu until after the monthly cycle has passed and you have done ghusl, it is just for spiritual/physical cleansing.
 
However you should not recite the ayat for which sadjah is mandatory and it is said that one should be in a state of purification to recite Du'a al-Mashlool (which you probably aren't reciting before sleeping anyway!).