Morning sickness at night?

Elaina • Mother of 3 living children,2are my husbands,1 is mine. When i was 18 i miscarried a child and 1/23/2015 our son was born sleeping
In early pregnancy can you get morning sickness at night? I havent taken a pregnancy test yet but the past 4 nights i have felt so naseous and do like all night and my belly will hurt so ill try to go potty but i am constipated,bloated and gasy but then in the morning and all day i feel fine and can go to the bathroom no problem.Af was supposed to start friday (4/3).