In a tonic-clonic seizure, what is the classic sequence of events?

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A generalized tonic-clonic seizure typically unfolds in a defined sequence of ictal phases. It starts with a tonic phase of widespread muscle stiffening, during which consciousness is lost. This is followed by the clonic phase, characterized by rhythmic jerking movements as the muscles alternate between contraction and relaxation. After the jerking subsides, the person enters a postictal period of confusion, drowsiness, or fatigue as they recover. Therefore, the sequence of tonic contraction, loss of consciousness, then clonic contractions matches the classic progression. An aura would suggest a focal onset, and confusion followed by sleep describes the postictal state rather than the main ictal sequence.