Girls, please help... He's been in for 5 days, he was weak, had resus…

Girls, please help... He's been in for 5 days, he was weak, had resuscitation, constantly sleeps and eats very little and very long, about 35-45 minutes. The question is what should I do with my breasts, milk is present, he's sleeping, so it's not far from lactation stimulation, maybe someone has experienced this too. A visiting midwife came, said to express after each feeding, regardless of whether one or two fed, will it be even more abundant?