U4AOS 1 PSYCH PART 2 (DP 4-6)

Q: Define sleep deprivation.

A: A state caused by inadequate quantity or quality of sleep.

Q: Define partial sleep deprivation.

A: Having some sleep in a 24-hour period, but not enough quantity or quality to meet one's needs.

Q: Define sleep disturbance.

A: Any problem that disrupts the normal sleep-wake cycle

• including sleep onset, waking during sleep, or abnormal sleep behaviours.

Q: Define sleep disorder.

A: A regular or persistent sleep disruption that causes distress or impairment in everyday functioning.

Q: Why is sleep deprivation harmful?

A: It reduces opportunities for repair and restoration of the body and mind, and memory consolidation.

Q: What is affective functioning?

A: Emotional functioning, including the ability to regulate and respond appropriately to emotions.

Q: How does partial sleep deprivation affect affective functioning?

• Increased irritability

• Emotional outbursts

• Reduced emotional regulation

• Reduced ability to accurately process emotional information

Q: What is emotional regulation?

A: The ability to control emotional responses.

Q: How does partial sleep deprivation affect behavioural functioning?

• slower reaction times

• reduced motor control

• clumsiness

• lower energy

• increased risk-taking

• microsleeps

Q: Define microsleep.

A: A brief, involuntary period of sleep lasting a few seconds while a person appears to be awake.

Q: Why are microsleeps dangerous?

• TEMPORARILY REDUCE AWARENESS + RESPONSIVENESS

• ^ increases risk of accidents

Q: How does partial sleep deprivation affect cognitive functioning?

• poor concentration

• poor attention

• impaired memory

• poor decision making

• poor problem solving

• difficulty performing complex tasks

Q: How does sleep deprivation affect memory?

A: It impairs both the encoding of new information and the retrieval of stored information.

17 hours of being awake is equivalent to..?

• 0.05% blood alc concentration

24 hours of being awake is equivalent to…?

0.10% BAC

why is it important to know that 17/24 hrs of being awake = 0.05%/0.10% BAC?

both cause cognitive impairment AND affective impairment