Lifespan Changes in Sleep 0.0 / 5 ? PsychologySleepA2/A-levelAQA Created by: Keyleigh-StormCreated on: 31-05-16 16:13 10263974815 Across 1. Babies usually wake up every hour or so because their sleep cycles are shorter than the adult 90 minute cycle - infants have sleep stages which are ------- to adult sleep, called quiet sleep & active sleep (immature versions of SWS and REM). (7) 4. IDA - This approach is important as it recognises sleep patterns ------ as we age - for a long time psychologists ignored this and thought there was 1 pattern that applied to all ages - this association of age & sleep has led to new understanding. (6) 6. Reduced sleep may not be a consequence of physiological changes but may be explained in terms of actual problems ------- asleep, such as sleep apnoea or medical illness. (7) 9. Adults can usually go fairly directly into the state of deep sleep (quiet sleep) whereas infants in the early months enter sleep through the initial period of ----- sleep & after 20 minutes they gradually enter deep sleep. (5) Down 2. Babies sleep a lot more than children & adults, and also have different sleep patterns & stages of sleep - tend to sleep about 16 hours a day but not ------------. (12) 3. Circadian rhythms also change so that teenagers feel naturally more awake later at night and have more ---------- getting up early (a phase delay). (10) 5. Boys sleep slightly ---- than girls. (4) 7. At birth there's more active sleep than adult REM sleep; about half of infant sleep is spent in ------ sleep. (6) 8. The common perception is that a good night's sleep is related to good health, but several studies have found there's an increased --------- risk associated with too much sleep. (9) 10. Problems staying asleep are also explained by the fact that deep sleep (SWS) is reduced in old age, so the older sleeper is more ------ woken. (6)
Describe and evaluate research into the nature of sleep including lifespan changes (24 marks) 0.0 / 5
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