NUFT 204 - Chapter 43: Sleep Exam With 100% Correct Answers Graded A+

NUFT 204 - Chapter 43: Sleep Exam With 100% Correct Answers Graded A+ What is important to know when evaluating a patients sleep? - answerWhether they have any pre-existing sleep disorders What part of the brain regulates sleep? - answerhypothalamus Describe the stages of the adult sleep cycle. - answer1. Presleep sleepiness - lasts approx 30 mins on average -when start to feel tired and that sleep is needed 2. NREM stage 1 -very light sleep -can be woken up easily 3. NREM stage 2 -become a little more relaxed - last about 10-20 mins 4. NREM stage 3 -muscles relax -become more difficult to arouse 5. NREM stage 4 -deepest sleep -very difficult to arouse -heart rate and respiratory rate decrease 6. NREM stage 3 -muscles are relaxed -slightly more easily aroused 7. NREM stage 2 -fairly relaxed -last about 10-20 mins 8. REM sleep -dreams occur -vital fluctuate How long does the sleep cycle usually last? - answerAbout 90 to 100 mins T/F - over time time spent in REM decreased. - answerFalse, it increases -usually initially about 20 mins then gradually increases