Hinata is a victim of sleepwalking.
Once when he was staying over at the team clubhouse overnight, he woke up
in the gym with his hand hurting and volleyballs bouncing all around the gym.
He had spiked in his sleep.
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Just a Bunch Of Haikyuu HeadcanonsFanfiction
Because why not? I just have a bunch of random Haikyuu headcanons that I want to share. It's all just in fun. DOES NOT contain foul language or inappropriate mature stuff. DOES contain mild shipping at points.