Hi, I Am Pradeep 29 Years Old Married Man And

hi,
I am pradeep 29 years old married man and i have 1 year old baby.My office timing is 12:30PM to 9:30PM.
Before i was doing rotational shift including night shift.Now a days i am facing some kind of changes in my body.Feeling more tiredness and whenever i am leaving the office feeling like vomiting sensation and head spining. Also suffering from erectile dysfunction and premature ejaculation.so that i can't perform well in sex life.
Kindly help me to come out this problems.