sleep

Question 1

circadian rhythm

Answer 1

involves changes in bodily functions/activities that occurs as part of a cycle with a duration of about 24 hours (sleep cycle)

Question 2

ultradian rhythm

Answer 2

involves changes in bodily functions/ activities that occurs as part of a cycle with a duration shorter than 24 hours (heartbeat, alert, hunger)

Question 3

reversibility

Answer 3

sleeper can always be awaken with a strong enough stimuli ( noises) and reverse quickly to the waking state

Question 4

biological rhythm

Answer 4

cycles changes in bodily functions that repeat themselves through time in the same order

Question 5

sleep wake cycle

Answer 5

• our bodies are turned into a 24 hour sleep wake cycle which is a regular circadian rhythm
• determined by an internal body clock which is located in the hypothalamus
• light is the main environmental cue
• less light = more melatonin = feeling drowsy
• more light = more alert

Question 6

sleep disturbances

Answer 6

any sleep related disruptions to sleep - wake cycle, including problems with sleep onset, waking from sleep and abnormal behaviour during sleep

Question 7

sleep disorder

Answer 7

regular sleep disturbances to sleep and causes distress in normal daily functioning

Question 8

primary sleep disorder

Answer 8

main cause of the sleep problem (medical condition, use of drugs)

Question 9

secondary sleep disorder

Answer 9

by-product of another issue, condition, mental disorder (due to back pain, depression, stress, anxiety)

Question 10

sleep deprivation

Answer 10

inadequate quantity/ quality of sleep - can be voluntary or involuntary

Question 11

quantity of sleep

Answer 11

amount of sleep

Question 12

quality of sleep

Answer 12

how we have slept

Question 13

partial sleep deprivation

Answer 13

have less sleep than is normally needed