It got tangled up in the old hoodie I wore to bed. I’d searched through the blanket, under pillows, between the mattress and the wall, under the bed. It just fell out from my hoodie onto the floor after an hour of being awake. Dunno how it didn’t happen sooner, but I heard it hit the floor and the search is over.
It is the way of things that the thing you lost immediately turns up as soon as you’ve bought another one