PRIMARY CARE FINAL EXAM 3 & VERIFIED ANSWERS | LATEST UPDATE | RATED 100%

Why do we sleep? ANSWER: Maintain homeostasis by restoring, repairing, and resting. People with inadequate sleep are at risk for ANSWER: Obesity DM HTN Mood Immune The first two are due to increased cortisol and ghrelin and decreased leptin. True or false: You need more sleep when you're younger compared to when you're older. On average, 7.5-8 hours a night. ANSWER: True Circadian ANSWER: Intrinsic sleep/wake cycle. Often biphasic pattern: 2 alertness peaks just before bed and first wake up. 2 sleep periods middles afternoon and middle of the night. What disrupts circadian rhythm ANSWER: Travel Shift work Alcohol, caffeine Stress All nighters True or false: Shift workers have a decreased morbidity and mortality because of their mixed sleep cycles ANSWER: False, it's increased. 3 alternating states of sleep changes ANSWER: Awake: easy arousal, frequency movements, logical thought NREM: hard to arouse, infrequent, poor memory, eyes closed no movement. REM: Easier to arouse, dreaming state, putting things into context. *Dreaming is an important part of the sleep cycle* When do nightmares occur? ANSWER: During REM sleep When do sleep terrors occur? ANSWER: NREM 3 and 4 Sleep walking occurs when? ANSWER: First third of the night What cycle of sleep is associated with bed wetting? ANSWER: Not associated with cycle "Can't fall asleep" differential ANSWER