For some reason I find myself being able to remember many dreams for a few weeks, and almost none for a few more weeks/months. I don't change anything in my li

For some reason I find myself being able to remember many dreams for a few weeks, and almost none for a few more weeks/months. I don't change anything in my life that I can think of in those periods which might be affecting my creativity, sleep quality, thinking etc. Would love to know the reason though.