Why is Lucid interval more common in epidural hemorrhage than subdural hemorrhage?

Why is Lucid interval more common in epidural hemorrhage than subdural hemorrhage?

Lucid interval is more common in EDH when the initial knock out force (trauma) recovers temporarily and expands(UNC-C-UNC)

Thank you sir but why is lucid interval less common in subdural hemorrhage? I can’t understand that.

Recovery and expansion is more Common in EDH (SUPERFICIAL)