HMSC1000 Week 2- Sleep Across Lifespan & Sleep Measurement Tools Exam Questions | Actual Questions and Answers Latest Updated 2025/2026 (Graded A+)

HMSC1000 Week 2- Sleep Across Lifespan & Sleep
Measurement Tools Exam Questions | Actual
Questions and Answers Latest Updated 2025/2026
(Graded A+)


How..does..sleep..architecture..change..across..the..lifespan?..-..Correct..Answer-
N3..sleep..decreases,..sleep..latency..and..wake..after..sleep..onset..increase..with..ag
e.


What..sleep..states..are..present..in..adults?..-..Correct..Answer-
Wake,..Stage..N1,..Stage..N2,..Stage..N3..(NREM),..and..REM..(Stage..R).


What..is..the..sleep..time,..type..of..sleep,..and..sleep..architecture..in..a..Newborn..(0-
3..months)?..-..Correct..Answer- Sleep..Time:..14-17+..hours/day
..


Type..of..Sleep:..Highly..polyphasic..(short..sleep..bursts..throughout..day..and..
..

night)
Sleep..Architecture:
..


~50%..REM..(Active..sleep)
~45%..NREM..(Quiet..sleep)
~5%..Transitional
Very..short..cycles..(~40..mins)
Sleep..starts..in..REM


What..is..the..sleep..time,..type..of..sleep,..and..sleep..architecture..in..an..Infant..(4-
11..months)?..-..Correct..Answer- Sleep..Time:..12-16..hours/day
..

, Type..of..Sleep:..Still..polyphasic,..more..consolidated..at..night
..


Sleep..Architecture:
..


REM:..30-40%
NREM:..60-70%
Cycles:..40-60..mins
Now..enters..sleep..through..NREM


What..is..the..sleep..time,..type..of..sleep,..and..sleep..architecture..in..a..Toddler..(1-
3..years)?..-..Correct..Answer- Sleep..Time:..11-14..hours/day..(includes..1-
..

2..naps)

Type..of..Sleep:..Transitioning..from..polyphasic..to..biphasic
..


Sleep..Architecture:
..


REM:..25-30%
N3..(deep..sleep):..High
90-minute..sleep..cycles..emerging


What..is..the..sleep..time,..type..of..sleep,..and..sleep..architecture..in..a..Preschooler..(
3-5..years)?..-..Correct..Answer- Sleep..Time:..10-13..hours/day
..


Type..of..Sleep:..Biphasic,..becoming..monophasic
..


Sleep..Architecture:
..


REM:..20-25%
N3..still..prominent
Regular..90-minute..cycles