som man bäddar får man ligga betyder på engelska

make one's bed and lie in it▼(to create a difficult situation and endure unpleasant consequences)
verb

as you make your bed, so you must lie in it▼(you shall carry the burden of your poor preparation)
phrase

as you sow, so shall you reap▼(consequences of one’s actions to oneself are in proportion to one‘s good or bad intentions towards others)
phrase
[UK: əz juː saʊ ˈsəʊ ʃæl juː riːp] [US: ˈæz ˈjuː ˈsaʊ ˈsoʊ ˈʃæl ˈjuː ˈriːp]

what goes around comes around▼(the status returns to its original value)
phrase
[UK: ˈwɒt ɡəʊz ə.ˈraʊnd kʌmz ə.ˈraʊnd] [US: ˈhwʌt ɡoʊz ə.ˈraʊnd ˈkəmz ə.ˈraʊnd]

you make the bed you lie in▼(a person's circumstances are normally the result of their own actions)
phrase