Unisom and B6 question?

Mummylove12

I’ve just started taking it separately I take the Unisom (doxylamine) before bed 1/2 tablet I’m wondering when I’m supposed to take the B6 and how much I should take to work? It didn’t work today at all it probably been my worst day this pregnancy :( I only used the Unisom in my second pregnancy and that worked fine on its own.