Seasons and episodes
1Season 1 Apr. 11, 2023
1 - 1Capella Apr. 11, 2023
1 - 2Mu Scorpii Apr. 18, 2023
1 - 3Fomalhaut Apr. 25, 2023
1 - 4Venus May. 02, 2023
1 - 5Canopus May. 09, 2023
1 - 6Shooting Star May. 16, 2023
1 - 7The Fireworks Star May. 23, 2023
1 - 9Altair and Vega Jun. 06, 2023
1 - 10Spica of Virgo Jun. 13, 2023
Creator
Cast
Ganta Nakami (voice)
Isaki Magari (voice)
Yui Shiromaru (voice)
Tao Ukegawa (voice)
Motoko Kanikawa (voice)
Kanami Anamizu (voice)
Mina Nono (voice)
Usako Kurashiki (voice)
Rui Haida (voice)
Video trailer
Synopsis
Ganta Nakami is a high school student who suffers from insomnia. He meets Isaki Magari, a girl with the same condition. A relationship forms as they share a secret and catch up on their sleep in their school’s abandoned observatory. 
Original title 君は放課後インソムニア
TMDb Rating 7.95 20 votes
First air date Apr. 11, 2023
Last air date Jul. 04, 2023
Seasons 1
Episodes 13
Average Duration 24 minutes
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