Sleep

Sleep is a complex biological process that helps people process new information.

(a)  

Which stage of sleep is characterized by MUSCLE TWITCHES,A DECREASED BODY TEMP, and SLOWED HEART.

• N1 to N2

• N3

• REM

• Wakefulness

During N3 sleep, growth hormones are released. Which of the following is NOT a main function of growth hormone during sleep?

• Repairing muscles and bones

• Boosting immune function

• Strengthening memory

• Promoting fat storage

Which stage of sleep is when most VIVID DREAMING occurs?

• N1

• N2

• N3

• REM

What is the primary role of melatonin in sleep?

• Boosts energy levels

• Regulates the sleep-wake cycle

• Increases muscle strength

• Produce vivid dreams

Which hormone increases appetite when sleep-deprived?

(a)  

Which hormone signals the brain that you are full?

(a)  

What happens to leptin levels when you are sleep-deprived?

• They increase, making you feel full

• They decrease, making you feel hungrier

• They remain the same

• They turn into ghrelin

The circadian rhythm is primarily regulated by:

• Heartbeat

• Lightness and Darkness

• Temperature changes

• Exercise

Answer explanation

The circadian rhythm is the body's internal 24-hour clock that regulates various functions like sleep, wake cycles, and hormone production. Light is the strongest external cue that influences this clock. Exposure to bright light, particularly during the morning, signals the body to start the day, while darkness triggers the onset of sleep.

Snoring can be a sign of what serious sleep disorder?

(a)