Emfit QS, Инструкция по установке и эксплуатации

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12. Analyzing the measurements
12.1. Main display (dashboard) items
1. SLEEP SCORE
This is single number indicating how well slept night
was. Number consists of total sleep time, amount of
REM and DEEP sleep, and number of wakenings. Sleep
Score breakup: Sleep Score= (total_duration_of_sleep
+ (duration_of_REM_sleep) *0.5 + (duration_of_
DEEP_sleep) *1.5) - ((duration awake/3600) *0.5 +
number_of_wakenings/15) ) * 8.5
Simply said, this means that the more you sleep, the
more you have REM sleep, and the more you have
DEEP sleep, and the better your Sleep Score is. On the
other hand, the more you are awake and the more of-
ten you wake up during the night, the worse your Sleep
Score is.
By this formulation Sleep Score can reach values
over 100, but in this case the value is truncated to
a maximum of 100, which is indication of very good
sleep.Usually values around 80 and higher can be
regarded as good.
2. SLEEP TIME
Here you see both time spent in bed and amount of
sleep.
For adults, 7-8 hours of sleep is considered optimal,
of course there are individual differences — some can
manage with less sleep and some require more.
In one study it was found that people who sleep less
than 6 hours perform worse in cognitive tests than
those who sleep 7-8 hours, but people who sleep more
than 9 hours also perform worse.
The need for sleep also changes according to a per-
son’s age. Infants may require up to 14 hours of sleep,
whereas elderly people may be fine even with 5 hours
of sleep.
With athletes, the research has shown that in several
different sports, including swimming, tennis, football
and basketball, increasing sleeping time to 10 hours
per night resulted in improved speed, reaction time,
sprint time and accuracy.
3. SLEEP CYCLES
Here you see breakdown of sleep in to three cycles:
Light, REM and Deep sleep.