Вопрос
The sleep stage that is a transition from wakefulness to sleep and lasting 1-7 minutes is: (A) REM sleep (B) Stage 1 sleep (C) Stage 2 sleep (D) Stage 3 sleep (E) Stage 4 sleep
Решения
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Станислав
профессионал · Репетитор 6 летЭкспертная проверка
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The correct answer is (B) Stage 1 sleep. Stage 1 sleep is the transition stage between wakefulness and sleep, and it typically lasts 1-7 minutes.
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