sleeping pill
US /ˈsliː.pɪŋ ˌpɪl/
UK /ˈsliː.pɪŋ ˌpɪl/

1.
pastilla para dormir, somnífero
a tablet containing a sedative drug, taken to induce sleep
:
•
She took a sleeping pill to help her fall asleep on the long flight.
Tomó una pastilla para dormir para conciliar el sueño en el vuelo largo.
•
He was prescribed sleeping pills for his insomnia.
Le recetaron pastillas para dormir para su insomnio.