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    • Basic knowledge of sleep
      • Rem sleep
        • Term descripton
        • Rem sleep : part1
        • Rem sleep : part2
      • Relation between sleep and a life
        • Relation between sleep and a life : part1
        • Relation between sleep and a life : part2

    • The question of sleep
      • What is sleeping pill？
      • Why are we sleepy in a lot of sleep?
      • why do we get to be sleepy after having meal？
      • Why do wo snore？

    • Prep student must!!HOT BLOOD Pleasant sleep room
      • It does not become sleepy now during class!!
      • I will often sleep with eating habits!!
      • Environment of the room is important!!
      • There are tips also in bathing.

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