YOU SAID:
My boyfriend is sleeping next to me
INTO JAPANESE
彼氏が隣で寝てる
BACK INTO ENGLISH
Boyfriend is sleeping next to me
INTO JAPANESE
彼氏が私の隣で寝ています
BACK INTO ENGLISH
My boyfriend is sleeping next to me
INTO JAPANESE
彼氏が隣で寝てる
BACK INTO ENGLISH
Boyfriend is sleeping next to me
INTO JAPANESE
彼氏が私の隣で寝ています
it is unlikely that this phrase will ever reach equilibrium