睡眠ってなんで必要？脳が無いクラゲだって眠る。

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押すとYouTubeのその場面から再生します

1. 00:00脳がないクラゲも眠る
2. 02:32そもそも「寝る」とは？睡眠の3条件
3. 06:28休むため説 眠っても省エネは1割弱
4. 09:04記憶整理説 シナプスを細くする
5. 11:25脳のゴミ掃除説 真逆の2つの結論
6. 16:18クラゲを寝かせない実験 DNAに傷
7. 19:21犯人は活性酸素 ミトコンドリアの暴走
8. 24:23抗酸化物質でショートスリーパーになれる？
9. 29:04生きた脳の活性酸素は測れるのか
10. 34:08まとめ 僕らは細胞の塊
11. 38:56お知らせ

参考文献 11件

1. Maquet P et al. Cerebral glucose utilization during sleep-wake cycle in man determined by PET (Brain Res 1990)
2. Jung CM et al. Energy expenditure during sleep, sleep deprivation and sleep following sleep deprivation in adult humans (J Physiol 2011)
3. Ultrastructural evidence for synaptic scaling across the wake/sleep cycle (Science 2017)
4. Sleep drives metabolite clearance from the adult brain (Science 2013)
5. Brain clearance is reduced during sleep and anesthesia (Nat Neurosci 2024)
6. Resolving the mysteries of brain clearance and immune surveillance (Neuron 2025)
7. The Jellyfish Cassiopea Exhibits a Sleep-like State (Curr Biol 2017)
8. DNA damage modulates sleep drive in basal cnidarians with divergent chronotypes (Nat Commun 2026)
9. Mitochondrial origins of the pressure to sleep (Nature 2025)
10. Sleep Loss Can Cause Death through Accumulation of ROS in the Gut (Cell 2020)
11. Parp1 promotes sleep, which enhances DNA repair in neurons (Mol Cell 2021)