This is the real culprit, in fact. https://en.wikipedia.org/wiki/Beech_marten https://en.wikipedia.org/wiki/Beech_marten Haunting people making noise at night

This is the real culprit, in fact. https://en.wikipedia.org/wiki/Beech_marten https://en.wikipedia.org/wiki/Beech_marten Haunting people making noise at night in old houses is also a common hobby (but somebody must to run after the yummy mice).