Human Sleep Cycle Stages Infographic with Time Durations.
Schlüsselwörter
sleep,
cycle,
stage,
rem,
duration,
infographic,
health,
biology,
science,
diagram,
chart,
rest,
brain,
activity,
mind,
body,
wellness,
education,
medicals,
physiology,
rythm,
dream,
deep,
light,
arousing,
pattern,
process,
human,
person,
relaxation,
tiredness,
fatigue,
recovery,
restoration,
rejuvenation,
insomnia,
disorder,
quality,
routine,
schedule,
bedtime,
night,
day
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