Converse of object

• cause: It is designed to provide as good a pain relief as possible without causing undue sleepiness.

• increase: Falling asleep at the wheel is increasingly preceded by feelings of increasing sleepiness.

• include: However, they can be addictive and have serious side effects, including sleepiness, memory problems and dizziness.

• induce: The berry induces sleepiness during which the user experiences revelatory dreams.

• experience: People who have experienced sleepiness or an episode of sudden onset of sleep while taking this medicine should not drive or operate machinary.

• overcome: Neither these latter methods nor the willpower to stay awake have much effect in overcoming sleepiness.

Adjective modifier

• daytime: Recognizing That Your Body Needs Sleep For many involved in a crisis, daytime sleepiness is a frequent problem.

• excessive: It results in excessive daytime sleepiness due to poor quality of sleep during the night.

• subjective: Coffee in the cornflakes: Time-of-day, routine response control and subjective sleepiness.

• extreme: Severe drops in oxygen levels lead to heart, lung and brain disorders, whilst chronic sleep deprivation causes extreme sleepiness during the day.

• increased: Sleep does not occur spontaneously without warning, and is preceded by feelings of increased sleepiness of which the driver is quite aware.

Modifies a noun

• scale: The severity of sleepiness pre stroke was assessed retrospectively in most of the patients using the Epworth Sleepiness scale.

• confusion: Severe hypertension can cause symptoms such as: headache sleepiness confusion coma.

Preposition: during

• day: Other possible causes for sleepiness during the day will be eliminated by a general physical examination.

Noun used with modifier

• driver: Driver sleepiness was estimated to be a factor in up to 20,000 accidents on UK roads last year, according to Government figures.

• afternoon: Protein rich foods make you feel more alert and help combat afternoon sleepiness.