sleeping pill

US /ˈsliː.pɪŋ ˌpɪl/
UK /ˈsliː.pɪŋ ˌpɪl/
"sleeping pill" picture
1.

a tablet containing a sedative drug, taken to induce sleep

:
She took a sleeping pill to help her fall asleep on the long flight.
He was prescribed sleeping pills for his insomnia.