The natural recurring condition of suspended consciousness by which the body rests
To be asleep
To sleep longer than intended
To engage in sexual relations with
Are you wiping the sleep from your eyes?
Even in sleep he was irresistible.
But the nearer he drew to the house the more he felt the impossibility of going to sleep on such a night.
I went to sleep last night, almost as soon as my head hit the pillow.
You'd better sleep in.