According to the Borbely model of sleep regulation, why is it easy to go to sleep an hour later than you normally do? (There may be more than one correct answer. Please select all correct answers.)Group of answer choicesSleep drive is higherCircadian alertness is still increasingSleep drive is lowerCircadian alertness is still decreasing

Why is it recommended to reduce your screen time before going to sleep?

Which of the following statements is NOT true about sleep-wake homeostasis:Group of answer choicesSleep pressure gradually lessens the longer we have been awakeSleep drive acts as a timer of how long since our last sleepThe longer we have been awake the stronger the pressure to sleepSleep drive dissipates after we wake from a night’s sleep Previous

Recently, Lam has slept only 5 hours a night because he studies full-time at uni and works part-time in the evenings. He would prefer to sleep 9 hours a night if he could!When Lam drives to and from work at night, he is at increased risk of an accident. Why? (There may be more than one correct answer. Please select all correct answers.)Group of answer choicesSleep deprivation slows his reaction times, including when braking to avoid potential hazardsSleep deprivation causes lapses in attention, so he may not notice changing road conditionsSleep deprivation reduces his awareness of his own driving ability and the fact that he is tiredSleep deprivation affects his motivation, so that he does not complete the task of driving

When we take a long nap during the day, it can be harder to fall asleep at night. How does the two-process model explain this?Group of answer choicesAlertness remains high at night because of the napNaps can change the underlying circadian rhythmSleep pressure has been reduced by the napThe sleep gate is closed

Sleep changes over the life course. As we get older, we tend to:Group of answer choicesSpend more time in REM sleepSleep for longerFall asleep more quicklyHave more broken sleep