Question 1

What is90MinutesSleep Cycle？

Accepted Answer

SleepMany90MinutesWeekPeriodGroup，PerWeekPeriodIncludelight sleep、deep sleepandREM（Quick）OrderSegment。inWeekPeriodEndReflexiveHoweverwake upwillfeelmostalert，Andindeep sleepinbywillto。BecausethisSuggestionSleepDurationas4.5、6、7.5or9Hours（i.e.3-6completeIntegerWeekPeriod）。

Question 2

asinWeekPeriodEndwake up？

Accepted Answer

Sleep CycleisREMandlight sleepOrderSegment，thisBigalertStatus，wake upalert。such asindeep sleepOrderSegmentbyAlarm，willoutSleep，feel、Reflexive，MayHours。

Question 3

YearPerDayNeedManyFewSleep？

Accepted Answer

YearSuggestionPer7-9HoursSleep，i.e.Approx5-6completeInteger90MinutesSleep Cycle。BodyDifferenceBig，BestPowerisnotWithWeekPeriods，toletReflexiveDayDuration。