2、andemotionalandpsychologicalrest.Weneedtorestourbodiesandminds.Bothareimportantinorderforustobehealthy.Eachnightwealternatebetweentwokindsofsleep:activesleepandpassivesleep.Thepassivesleepgivesourbodytherestthat'sneededandpreparesusforactivesleep,inwhichdreamingoccurs. Throughout