Used both attributively and predicatively to describe something that causes sleep.
Translations
снотворныйЧаще о лекарственных средствах или воздействии, вызывающем сон The warm milk had a pleasantly sleep-inducing effect.
Тёплое молоко оказало приятный снотворный эффект.
усыпляющийМожет описывать как физическое воздействие, так и скучное занятие Definitions
Causing or tending to cause sleep; soporific. The warm milk had a pleasantly sleep-inducing effect.
Extremely dull or monotonous to the point of making one sleepy. The lecturer's droning voice was unbearably sleep-inducing.