Preposition: on

• couch: I should probably sleep on the couch, but that infuriates him to no end.

• mattress: Make sure you sleep on a firm mattress at night.

Object

• sickness: Sleeping sickness has, during the last four years, nearly annihilated this little community.

Converse of object

• disturb: Pain is something that often disturb sleep especially as we get older.

Adjective modifier

• restful: They are designed to give your baby the best in safe, comfortable and restful sleep.

• disturbed: Headaches, feeling irritable, symptoms of ' flu, upset stomach and disturbed sleep are quite common.

• dreamless: Only in the last chapter is there reference to one study employing PET to study subjects during dreaming and dreamless sleep.

• deep: The child lay quiet for a few moments, then fell into a deep sleep.

Modifies a noun

• apnea: Amanda wants to know: What are the signs and symptoms of obstructive sleep apnea?

• deprivation: A bit of sleep deprivation is a small price to pay for spending your Saturday morning on top of Table Mountain.

• apnea: Other out of at compiling a for the upcoming of sleep apnea.

• disturbance: Sleep disturbance: Keep a diary of how often your sleep is disrupted.

Adjective complement

• 4+2: The apartments are Casetta Dei Mei sleeps 2+2, Don Aldo Mei sleeps 4+2, Assunta sleeps 4+2.

• 2+2: The apartments are Casetta Dei Mei sleeps 2+2, Don Aldo Mei sleeps 4+2, Assunta sleeps 4+2.

• 8+: COACH HOUSE: 4 bedrooms sleeps 8 This fabulous conversion sleeps 8+ in an unusual and exciting configuration.

Preposition: in

• hammock: We got a new tent and a hammock, I like to sleep in the hammock on my own.