Amulet of restful sleep

Effects
When put on or eaten, you will fall asleep within 1 to 100 turns. You awaken within 1 to 20 turns or when disturbed. If you continue wearing the amulet, the cycle will repeat.

Generation
This amulet is generated cursed 90.5% of the time.

Identification
If you notice yourself falling asleep, and have checked that it wasn't a monster's sleep attack or a sleeping gas trap, then the amulet is restful sleep.

Strategy
This amulet has no good use. It's reasonably safe as long as you can take it off again, but is usually cursed.