Wiktionary
sleeplike
a. Resembling sleep or some aspect of it.
Usage examples of "sleeplike".
It is therefore probable that this sleeplike movement, which occurs only when the ground is dry, is an adaptation against the loss of moisture.
A few wisps of hair fell across the dead soldier's face, now frozen in a sleeplike serenity.
The onset of sleep may be mediated by a section of the hypothalamus, since damage to parts of it induces a sleeplike state in animals.