Laying down after sex!

Hi all. Im interested to see what you ladies think about laying down after sex if you think its a myth or helps? My first child i fell pregnant after 15 months when i stopped trying. Am going on 6 months for baby #2 😧 i wanted to stop trying so hard this month but if i stand up straight after doing the deed all i can think is lay down woman soak it up!!!!! Am i crazy.