This is another food that comes in a variety of forms, but brown and wild rice often contain more nutrients than their white counterpart.¹ Regardless of which kind you eat, they can all accelerate sleep.²

Sources:

[1] https://www.medicalnewstoday.com/articles/319797.php

[2] https://www.medicaldaily.com/eating-rice-helps-japanese-men-and-women-get-sleep-and-so-do-these-other-high-glycemic-303162